GitLab

The tests have been running for a while now and look stable.  Move them over
to the main waterfall so they start being run by the CQ.

Bug: 874090
Bug: 847585
Change-Id: I8b013c568d0abbfb2697d5166dd6edda31bbbf88
Reviewed-on: https://chromium-review.googlesource.com/1212093
Commit-Queue: Ryan Cui <rcui@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#589655}