GitLab

Mention fieldtrial_testing_like_official_build to ensure builds don't
get the test field trial config.

Change-Id: I3f664bcf0c81d6d6dde33a4830e13f0dc11e15b1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2269747
Auto-Submit: Richard Coles <torne@chromium.org>
Reviewed-by: Bo <boliu@chromium.org>
Commit-Queue: Bo <boliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#783052}