GitLab

Make it more obvious that the policy is experimental and subject
to change.

Change-Id: I8a78625f9c35a2927a0e441870397c2f3fdd95fc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2378754Reviewed-by: Joe DeBlasio <jdeblasio@chromium.org>
Commit-Queue: Emily Stark <estark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#802731}