[Passwords] Extend UMA for Password Sync error metrics

Those are still important health metrics and hence extending their
life time.

Fixed: 1160827
Change-Id: I158c9cc5a98204a793ecb2094ddc31ea692602f6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2624610
Auto-Submit: Mohamed Amir Yosef <mamir@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Commit-Queue: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842700}

tools/metrics/histograms/histograms_xml/password/histograms.xml

@@ -654,7 +654,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="PasswordManager.ApplySyncChanges.AddLoginSyncError"
-    enum="PasswordAddLoginSyncError" expires_after="2021-01-31">
+    enum="PasswordAddLoginSyncError" expires_after="2021-07-31">
   <owner>mamir@chromium.org</owner>
   <owner>mastiz@chromium.org</owner>
   <summary>
@@ -665,7 +665,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="PasswordManager.ApplySyncChanges.UpdateLoginSyncError"
-    enum="PasswordUpdateLoginSyncError" expires_after="2021-01-31">
+    enum="PasswordUpdateLoginSyncError" expires_after="2021-07-31">
   <owner>mamir@chromium.org</owner>
   <owner>mastiz@chromium.org</owner>
   <summary>
@@ -676,7 +676,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="PasswordManager.ApplySyncChangesState"
-    enum="PasswordApplySyncChangesState" expires_after="2021-01-31">
+    enum="PasswordApplySyncChangesState" expires_after="2021-07-31">
   <owner>mamir@chromium.org</owner>
   <owner>mastiz@chromium.org</owner>
   <summary>
@@ -1569,7 +1569,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="PasswordManager.MergeSyncData.AddLoginSyncError"
-    enum="PasswordAddLoginSyncError" expires_after="2021-04-25">
+    enum="PasswordAddLoginSyncError" expires_after="2021-07-31">
   <owner>mamir@chromium.org</owner>
   <owner>mastiz@chromium.org</owner>
   <summary>
@@ -1580,7 +1580,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="PasswordManager.MergeSyncData.UpdateLoginSyncError"
-    enum="PasswordUpdateLoginSyncError" expires_after="2021-01-31">
+    enum="PasswordUpdateLoginSyncError" expires_after="2021-07-31">
   <owner>mamir@chromium.org</owner>
   <owner>mastiz@chromium.org</owner>
   <summary>