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Updates the expires_after attribute for 316 histograms that show
frequent access in the past 90 days.  These are the 60% most
frequently used histograms over that time that do not already have a date later
than or within 60 days of 2020-02-16.

Change-Id: Id9e82848066a4df330e9e185c020bd0916e0c39e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1762307
Commit-Queue: Brian White <bcwhite@google.com>
Commit-Queue: Brian White <bcwhite@chromium.org>
Reviewed-by: Brian White <bcwhite@chromium.org>
Cr-Commit-Position: refs/heads/master@{#688549}