Extend Clipboard.X11StoreCopyPasteDuration histogram expiry

BUG=1165023

Change-Id: I764c84cdd228187285129b51728090e70686735f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2624828Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Steven Holte <holte@chromium.org>
Commit-Queue: Peter Kotwicz <pkotwicz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#844422}

tools/metrics/histograms/histograms_xml/others/histograms.xml

@@ -2602,7 +2602,7 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="Clipboard.X11StoreCopyPasteDuration" units="ms"
-    expires_after="M90">
+    expires_after="M95">
   <owner>dcheng@chromium.org</owner>
   <owner>pkotwicz@chromium.org</owner>
   <summary>