GitLab

This cl ensures Powerwash screen will ask for restart if user has already
logged in.

Bug: 899050
Change-Id: I003f4e323e59995767f882ca4f529674f3e07e76
Reviewed-on: https://chromium-review.googlesource.com/c/1307066Reviewed-by: Michael Giuffrida <michaelpg@chromium.org>
Commit-Queue: Alexander Alekseev <alemate@chromium.org>
Cr-Commit-Position: refs/heads/master@{#603798}