GitLab

Delay expiry of frequently used histograms.

Updates the expires_after attribute for 174 histograms that show
frequent access in the past 90 days.  This is the 10% most
frequently used histograms over that time that do not already have a later
expiry date.

Change-Id: I4897697e7e33db8fca0645bd69a5453c617b3956
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1715848Reviewed-by: Brian White <bcwhite@chromium.org>
Commit-Queue: Brian White <bcwhite@chromium.org>
Cr-Commit-Position: refs/heads/master@{#680422}