Updating Geolocation histograms' expiries to M89

Extending the expiry time of these histograms until M89, to give us extra time to decide about them.

Bug: 1125795, 1125794, 1125793, 1125792, 1125657
Change-Id: If2da7f73bdbbebdda596dc7d16974dc2c9143193
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2435306Reviewed-by: Andy Paicu <andypaicu@chromium.org>
Reviewed-by: Steven Holte <holte@chromium.org>
Commit-Queue: Ravjit Singh Uppal <ravjit@chromium.org>
Cr-Commit-Position: refs/heads/master@{#811651}

tools/metrics/histograms/histograms_xml/content/histograms.xml

@@ -264,8 +264,9 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="ContentSettings.EphemeralFlashPermission"
-    enum="ContentSettings.EphemeralFlashPermission" expires_after="M87">
+    enum="ContentSettings.EphemeralFlashPermission" expires_after="M89">
   <owner>engedy@chromium.org</owner>
+  <owner>src/components/permissions/PERMISSIONS_OWNERS</owner>
   <summary>
     Records the number of times Flash permission is granted for a host.
   </summary>

tools/metrics/histograms/histograms_xml/geolocation/histograms.xml

@@ -136,7 +136,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram base="true" name="Geolocation.SettingsDialog.AcceptEvent"
-    enum="GeolocationSettingsDialogBackOff" expires_after="M87">
+    enum="GeolocationSettingsDialogBackOff" expires_after="M89">
   <owner>engedy@chromium.org</owner>
   <owner>src/components/permissions/PERMISSIONS_OWNERS</owner>
   <summary>
@@ -146,7 +146,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram base="true" name="Geolocation.SettingsDialog.DenyEvent"
-    enum="GeolocationSettingsDialogBackOff" expires_after="M87">
+    enum="GeolocationSettingsDialogBackOff" expires_after="M89">
   <owner>engedy@chromium.org</owner>
   <owner>src/components/permissions/PERMISSIONS_OWNERS</owner>
   <summary>
@@ -156,7 +156,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram base="true" name="Geolocation.SettingsDialog.ShowEvent"
-    enum="GeolocationSettingsDialogBackOff" expires_after="M87">
+    enum="GeolocationSettingsDialogBackOff" expires_after="M89">
   <owner>engedy@chromium.org</owner>
   <owner>src/components/permissions/PERMISSIONS_OWNERS</owner>
   <summary>
@@ -166,7 +166,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram base="true" name="Geolocation.SettingsDialog.SuppressEvent"
-    enum="GeolocationSettingsDialogBackOff" expires_after="M87">
+    enum="GeolocationSettingsDialogBackOff" expires_after="M89">
   <owner>engedy@chromium.org</owner>
   <owner>src/components/permissions/PERMISSIONS_OWNERS</owner>
   <summary>