GitLab

The translate UI should not appear before the necessary information (i.e. source language) has been computed.
This changes manual translations to block before the state is correct.

Bug: 902803
Change-Id: I0d0549b5093774ae5b60dd0e18fd72fe7349f895
Reviewed-on: https://chromium-review.googlesource.com/c/1331688Reviewed-by: Theresa <twellington@chromium.org>
Reviewed-by: anthonyvd <anthonyvd@chromium.org>
Commit-Queue: Alexandre Frechette <frechette@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608352}