GitLab

Enable the lock screen media controls by default
since these are shipping in M78.

BUG=965546

Change-Id: I159052753625fe4eb8bf3653bf2c7bdffe09615e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1773325Reviewed-by: James Cook <jamescook@chromium.org>
Commit-Queue: Becca Hughes <beccahughes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#690893}