GitLab

Updates the expires_after attribute for 250 histograms that show
frequent access in the past 90 days.  These are the 40% most
frequently used histograms over that time that do not already have a date later
than or within 60 days of 2020-02-02.

Change-Id: Ib261ee110b3c7b55b3cf2669e30d5bb0a976767d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1738711Reviewed-by: Brian White <bcwhite@chromium.org>
Commit-Queue: Brian White <bcwhite@chromium.org>
Cr-Commit-Position: refs/heads/master@{#684364}