GitLab

After a successful StopForRestart(), if Restart() fails, the source
should return to the previous state, which is STOPPED_FOR_RESTART,
instead of being stopped for good.

Bug: 763319
Change-Id: I907c320d0d4664d3b35fe89d141eb936381e78c7
Reviewed-on: https://chromium-review.googlesource.com/695306
Commit-Queue: Guido Urdaneta <guidou@chromium.org>
Reviewed-by: Henrik Boström <hbos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#506785}