GitLab

Make chromium_presubmit non-experimental.

Bug: 1024637
Change-Id: I84c878cb047bb7f3d38f44f39a98ed29c1bc248e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1925355
Commit-Queue: Garrett Beaty <gbeaty@chromium.org>
Reviewed-by: Aaron Gable <agable@chromium.org>
Cr-Commit-Position: refs/heads/master@{#717005}