Extend fingerprint UMA metrics deadlines

After examining these metrics, we decided that these metrics are
needed in at least 2021.

Bug: b/174067213
Change-Id: I1dabb7dddea7b6f936ecb684016332976c3e7bbc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2588016Reviewed-by: Chris Thompson <cthomp@chromium.org>
Commit-Queue: Yicheng Li <yichengli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#836750}

tools/metrics/histograms/histograms_xml/fingerprint/histograms.xml

@@ -62,7 +62,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Fingerprint.SetContext.Success" enum="BooleanSuccess"
-    expires_after="2021-01-03">
+    expires_after="2021-09-01">
   <owner>yichengli@chromium.org</owner>
   <owner>chromeos-fingerprint@google.com</owner>
   <summary>Whether setting FPMCU mode succeeded.</summary>
@@ -130,7 +130,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Fingerprint.Unlock.Match.PositiveMatchSecretCorrect"
-    enum="BooleanCorrect" expires_after="2021-01-03">
+    enum="BooleanCorrect" expires_after="2021-09-01">
   <owner>yichengli@chromium.org</owner>
   <owner>chromeos-fingerprint@google.com</owner>
   <summary>
@@ -140,7 +140,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Fingerprint.Unlock.MatchIgnoredDueToPowerButtonPress"
-    enum="BooleanIgnored" expires_after="2021-02-02">
+    enum="BooleanIgnored" expires_after="2021-09-01">
   <owner>ravisadineni@chromium.org</owner>
   <owner>chromeos-fingerprint@google.com</owner>
   <summary>
@@ -161,7 +161,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Fingerprint.Unlock.NoMatch.Duration.Capture" units="ms"
-    expires_after="2021-01-03">
+    expires_after="2021-09-01">
   <owner>rsorokin@chromium.org</owner>
   <owner>jessejames@chromium.org</owner>
   <owner>cros-oac@google.com</owner>
@@ -172,7 +172,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Fingerprint.Unlock.NoMatch.Duration.Matcher" units="ms"
-    expires_after="2021-01-03">
+    expires_after="2021-09-01">
   <owner>rsorokin@chromium.org</owner>
   <owner>jessejames@chromium.org</owner>
   <owner>cros-oac@google.com</owner>
@@ -182,7 +182,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Fingerprint.Unlock.NoMatch.Duration.Overall" units="ms"
-    expires_after="2021-01-03">
+    expires_after="2021-09-01">
   <owner>rsorokin@chromium.org</owner>
   <owner>jessejames@chromium.org</owner>
   <owner>cros-oac@google.com</owner>
@@ -193,7 +193,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Fingerprint.Unlock.ReadPositiveMatchSecret.Success"
-    enum="BooleanSuccess" expires_after="2021-01-03">
+    enum="BooleanSuccess" expires_after="2021-09-01">
   <owner>yichengli@chromium.org</owner>
   <owner>chromeos-fingerprint@google.com</owner>
   <summary>
@@ -202,7 +202,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Fingerprint.Unlock.RecordFormatVersion"
-    enum="FingerprintRecordFormatVersion" expires_after="2021-01-03">
+    enum="FingerprintRecordFormatVersion" expires_after="2021-09-01">
   <owner>yichengli@chromium.org</owner>
   <owner>chromeos-fingerprint@google.com</owner>
   <summary>