Delay expiry of bad-construction histograms.

Bug: 972781
Change-Id: I8254e2c67e5807f549a2a4a782ffb294683b5ea1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1653529
Auto-Submit: Brian White <bcwhite@chromium.org>
Commit-Queue: Robert Kaplow (slow) <rkaplow@chromium.org>
Reviewed-by: Robert Kaplow (slow) <rkaplow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#668400}

tools/metrics/histograms/histograms.xml

@@ -45941,7 +45941,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Histogram.BadConstructionArguments" enum="HistogramNameHash"
-    expires_after="M77">
+    expires_after="M87">
   <owner>asvitkine@chromium.org</owner>
   <owner>bcwhite@chromium.org</owner>
   <summary>
@@ -46107,7 +46107,7 @@ uploading your change for review.
 </histogram>
 
 <histogram name="Histogram.MismatchedConstructionArguments"
-    enum="HistogramNameHash" expires_after="M77">
+    enum="HistogramNameHash" expires_after="M87">
   <owner>asvitkine@chromium.org</owner>
   <owner>bcwhite@chromium.org</owner>
   <summary>