Extend History.ClearBrowsingData.FailedTasksChrome

Bug: 1160731
Change-Id: Id615ad3a07bcd19a41eeecb1891691e37f09e866
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2617711
Auto-Submit: Christian Dullweber <dullweber@chromium.org>
Reviewed-by: Caitlin Fischer <caitlinfischer@google.com>
Commit-Queue: Caitlin Fischer <caitlinfischer@google.com>
Cr-Commit-Position: refs/heads/master@{#841519}

tools/metrics/histograms/histograms_xml/history/histograms.xml

@@ -170,7 +170,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="History.ClearBrowsingData.FailedTasksChrome"
-    enum="ChromeBrowsingDataRemoverTasks" expires_after="2021-02-01">
+    enum="ChromeBrowsingDataRemoverTasks" expires_after="2021-04-01">
   <owner>dullweber@chromium.org</owner>
   <owner>msramek@chromium.org</owner>
   <summary>