deploy_production: Make safe to kill/restart.

Always run post-update actions, even if we think there was no software
update. This way, if the update process is killed restarted, actions
that weren't run the first time will be the second.

BUG=chromium:512619
TEST=Unittests.

Change-Id: If5193c29c18cc782f1ffe4be193ec1beb51aad9e
Reviewed-on: https://chromium-review.googlesource.com/287412
Trybot-Ready: Don Garrett <dgarrett@chromium.org>
Tested-by: Don Garrett <dgarrett@chromium.org>
Reviewed-by: Dan Shi <dshi@chromium.org>
Commit-Queue: Don Garrett <dgarrett@chromium.org>
1 file changed