Extend expiry of V8.DebugFeatureUsage histogram

Fixed: 1153862
Change-Id: If3dd79e6861164eb8d062cac4367cbffe2622c55
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2605760Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Commit-Queue: Mark Pearson <mpearson@chromium.org>
Auto-Submit: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842409}

tools/metrics/histograms/histograms_xml/v8/histograms.xml

@@ -337,8 +337,9 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 </histogram>
 
 <histogram name="V8.DebugFeatureUsage" enum="V8DebugFeature"
-    expires_after="2021-01-10">
+    expires_after="2022-01-10">
   <owner>yangguo@chromium.org</owner>
+  <owner>bmeurer@chromium.org</owner>
   <summary>
     Debugger feature used at least once per isolate, recorded on first use.
   </summary>