Bump Enterprise.CloudReporting* metrics expire date

Bump the expire date to 2022-02-01

Bug: 1165249
Change-Id: Ifb567252ac93f21073d16019adbed1b3c9622bcd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2622993Reviewed-by: Mark Pearson <mpearson@chromium.org>
Commit-Queue: Owen Min <zmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842609}

tools/metrics/histograms/histograms_xml/enterprise/histograms.xml

@@ -279,7 +279,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Enterprise.CloudReportingBasicRequestSize" units="KB"
-    expires_after="2021-02-01">
+    expires_after="2022-02-01">
   <owner>zmin@chromium.org</owner>
   <owner>pastarmovj@chromium.org</owner>
   <summary>
@@ -290,7 +290,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Enterprise.CloudReportingRequestCount" units="requests"
-    expires_after="2021-02-01">
+    expires_after="2022-02-01">
   <owner>zmin@chromium.org</owner>
   <owner>pastarmovj@chromium.org</owner>
   <summary>
@@ -300,7 +300,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Enterprise.CloudReportingRequestSize" units="KB"
-    expires_after="2021-02-01">
+    expires_after="2022-02-01">
   <owner>zmin@chromium.org</owner>
   <owner>pastarmovj@chromium.org</owner>
   <summary>
@@ -310,7 +310,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Enterprise.CloudReportingResponse"
-    enum="EnterpriseCloudReportingResponse" expires_after="2021-02-01">
+    enum="EnterpriseCloudReportingResponse" expires_after="2022-02-01">
   <owner>zmin@chromium.org</owner>
   <owner>pastarmovj@chromium.org</owner>
   <summary>