GitLab

They've all been migrated except for 5 builders.

Change-Id: Ib4af0a9dfeeda90068d59eb52615568d52dda210
Reviewed-on: https://chromium-review.googlesource.com/1102900
Commit-Queue: Ryan Tseng <hinoka@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#567741}