assistant: move QuickAnswers histograms to assistant file

QuickAnswers is a sub-feature from the Assistant team.

Bug: None
Change-Id: Ia706c1d595d4915fcd22d18bb04545950575fb31
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2478022
Commit-Queue: Xiaohui Chen <xiaohuic@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#819969}

tools/metrics/histograms/histograms_xml/assistant/histograms.xml

@@ -212,6 +212,134 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
   </summary>
 </histogram>
 
+<histogram name="QuickAnswers.ActiveImpression" enum="QuickAnswersResultType"
+    expires_after="2021-02-14">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For quick answer impression that fulfills a user's intent, records the
+    result type. ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram name="QuickAnswers.ActiveImpression.Duration" units="ms"
+    expires_after="2021-02-14">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For quick answer impression that fulfills a user's intent, records the
+    impression duration. ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram name="QuickAnswers.Click" enum="QuickAnswersResultType"
+    expires_after="2021-03-15">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For every quick answer click event, records the result type. ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram name="QuickAnswers.Click.Duration" units="ms"
+    expires_after="2021-03-15">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For every quick answer click event, records the duration between fetch
+    finish and user clicks. ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram name="QuickAnswers.Consent" units="impressions"
+    expires_after="2021-02-14">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For every quick answers consent impression, records how many times the user
+    has seen the consent. ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram base="true" name="QuickAnswers.Consent.Duration" units="ms"
+    expires_after="2021-03-15">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For every quick answers consent interaction event, records how long the user
+    has seen the consent before. ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram base="true" name="QuickAnswers.Consent.Impression"
+    units="impressions" expires_after="2021-02-14">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For every quick answers consent interaction event, records how many times
+    the user has seen the consent before. ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram name="QuickAnswers.Intent" enum="QuickAnswersIntentType"
+    expires_after="2021-02-14">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For quick answer fetch, records the intent generated on-device. ChromeOS
+    only.
+  </summary>
+</histogram>
+
+<histogram name="QuickAnswers.Loading.Duration" units="ms"
+    expires_after="2021-02-14">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For every quick answers fetch, records the duration between fetch start and
+    fetch finish. ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram name="QuickAnswers.Loading.Status" enum="QuickAnswersLoadStatus"
+    expires_after="2021-02-14">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For every quick answers fetch, records the result status. ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram name="QuickAnswers.Result" enum="QuickAnswersResultType"
+    expires_after="2021-02-14">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For every quick answer result received event, records the result type.
+    ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram name="QuickAnswers.Result.Duration" units="ms"
+    expires_after="2021-02-14">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For every quick answer result received event, records the duration between
+    fetch start and fetch finish. ChromeOS only.
+  </summary>
+</histogram>
+
+<histogram name="QuickAnswers.SelectedContent.Length" units="characters"
+    expires_after="2021-02-14">
+  <owner>llin@google.com</owner>
+  <owner>croissant-eng@chromium.org</owner>
+  <summary>
+    For every quick answer request, records the length of the selected text that
+    is being considered for fetching quick answers. ChromeOS only.
+  </summary>
+</histogram>
+
 </histograms>
 
 </histogram-configuration>

tools/metrics/histograms/histograms_xml/others/histograms.xml

@@ -11181,134 +11181,6 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
   </summary>
 </histogram>
 
-<histogram name="QuickAnswers.ActiveImpression" enum="QuickAnswersResultType"
-    expires_after="2021-04-18">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For quick answer impression that fulfills a user's intent, records the
-    result type. ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram name="QuickAnswers.ActiveImpression.Duration" units="ms"
-    expires_after="2021-04-18">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For quick answer impression that fulfills a user's intent, records the
-    impression duration. ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram name="QuickAnswers.Click" enum="QuickAnswersResultType"
-    expires_after="2021-03-15">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For every quick answer click event, records the result type. ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram name="QuickAnswers.Click.Duration" units="ms"
-    expires_after="2021-03-15">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For every quick answer click event, records the duration between fetch
-    finish and user clicks. ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram name="QuickAnswers.Consent" units="impressions"
-    expires_after="2021-04-18">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For every quick answers consent impression, records how many times the user
-    has seen the consent. ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram base="true" name="QuickAnswers.Consent.Duration" units="ms"
-    expires_after="2021-03-15">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For every quick answers consent interaction event, records how long the user
-    has seen the consent before. ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram base="true" name="QuickAnswers.Consent.Impression"
-    units="impressions" expires_after="2021-04-18">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For every quick answers consent interaction event, records how many times
-    the user has seen the consent before. ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram name="QuickAnswers.Intent" enum="QuickAnswersIntentType"
-    expires_after="2021-04-18">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For quick answer fetch, records the intent generated on-device. ChromeOS
-    only.
-  </summary>
-</histogram>
-
-<histogram name="QuickAnswers.Loading.Duration" units="ms"
-    expires_after="2021-02-14">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For every quick answers fetch, records the duration between fetch start and
-    fetch finish. ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram name="QuickAnswers.Loading.Status" enum="QuickAnswersLoadStatus"
-    expires_after="2021-04-18">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For every quick answers fetch, records the result status. ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram name="QuickAnswers.Result" enum="QuickAnswersResultType"
-    expires_after="2021-04-18">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For every quick answer result received event, records the result type.
-    ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram name="QuickAnswers.Result.Duration" units="ms"
-    expires_after="2021-04-18">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For every quick answer result received event, records the duration between
-    fetch start and fetch finish. ChromeOS only.
-  </summary>
-</histogram>
-
-<histogram name="QuickAnswers.SelectedContent.Length" units="characters"
-    expires_after="2021-04-18">
-  <owner>llin@google.com</owner>
-  <owner>croissant-eng@chromium.org</owner>
-  <summary>
-    For every quick answer request, records the length of the selected text that
-    is being considered for fetching quick answers. ChromeOS only.
-  </summary>
-</histogram>
-
 <histogram name="Rappor.DailyEvent.IntervalType" enum="DailyEventIntervalType"
     expires_after="M85">
   <owner>holte@chromium.org</owner>