GitLab

Add/update expires_after for Media Router histograms

Update expiration dates, or add one if the histogram doesn't already
have one. For histograms that we still need, set the expiry to M85,
which is around a year from now.

Bug: 976053
Change-Id: Icb71ebf6137b40644cb63976682cdf3437ec2948
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1663074Reviewed-by: mark a. foltz <mfoltz@chromium.org>
Reviewed-by: Steven Holte <holte@chromium.org>
Reviewed-by: Brandon Tolsch <btolsch@chromium.org>
Commit-Queue: Takumi Fujimoto <takumif@chromium.org>
Cr-Commit-Position: refs/heads/master@{#670337}