Extend sync histograms lifetime

Extended histograms:
* Sync.BookmarkGUIDSource2
* Sync.DuplicateBookmarkEntityOnRemoteUpdateCondition
* Sync.LocalSyncTransportDataStartupState

Bug: 1156209, 1153772
Change-Id: If2af4a95d1ab4cece1924362f006416250e99099
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2627275Reviewed-by: Mark Pearson <mpearson@chromium.org>
Commit-Queue: Rushan Suleymanov <rushans@google.com>
Cr-Commit-Position: refs/heads/master@{#843418}

tools/metrics/histograms/histograms_xml/sync/histograms.xml

@@ -60,7 +60,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Sync.BookmarkGUIDSource2" enum="BookmarkGUIDSource"
-    expires_after="M89">
+    expires_after="2021-07-13">
   <owner>rushans@google.com</owner>
   <owner>mastiz@chromium.org</owner>
   <summary>
@@ -369,7 +369,8 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Sync.DuplicateBookmarkEntityOnRemoteUpdateCondition"
-    enum="DuplicateBookmarkEntityOnRemoteUpdateCondition" expires_after="M89">
+    enum="DuplicateBookmarkEntityOnRemoteUpdateCondition"
+    expires_after="2021-07-13">
   <owner>rushans@google.com</owner>
   <owner>mastiz@chromium.org</owner>
   <summary>
@@ -491,7 +492,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Sync.LocalSyncTransportDataStartupState"
-    enum="LocalSyncTransportDataStartupState" expires_after="2021-01-17">
+    enum="LocalSyncTransportDataStartupState" expires_after="2021-07-13">
   <owner>rushans@google.com</owner>
   <owner>mastiz@chromium.org</owner>
   <summary>