GitLab

Delay expiry of frequently used histograms.

Updates the expires_after attribute for 322 histograms that show
frequent access in the past 90 days.  These are the 80% most
frequently used histograms over that time that do not already have a date later
than or within 60 days of 2020-04-05.

Change-Id: Idc0e5e0b7713b78934da7a1db40bf2849bded478
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1847222
Commit-Queue: Brian White <bcwhite@chromium.org>
Reviewed-by: Brian White <bcwhite@chromium.org>
Cr-Commit-Position: refs/heads/master@{#704146}