GitLab

Remove remaining usages of MediaStatus.description field.  It is no longer used
in the UI or in the extension in M67+.

Bug: 786208
Change-Id: I19269d3a317be05765773c53b906aa75277b0407
Reviewed-on: https://chromium-review.googlesource.com/956743Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Derek Cheng <imcheng@chromium.org>
Commit-Queue: mark a. foltz <mfoltz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542237}