GitLab

This is unsupported so it should be flagged as such in the
manifest.

Bug: 978851
Change-Id: I85055fb675195f3eafd6515aef831d052c5b11aa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1678280
Auto-Submit: Ian Vollick <vollick@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Mounir Lamouri <mlamouri@chromium.org>
Commit-Queue: Ian Vollick <vollick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#672594}