GitLab

Keep usage & diagnostics false during ARC setup if the user does not
see the ARC ToS dialog due to all relevant settings being managed,
even if usage & diagnostics is enabled for the device.

Also removes the notification added by crrev.com/c/1086354.

Bug: b/73338614, 859104, 855448
Test: Opt in to ARC with managed and unmanaged users
Change-Id: If5bd6b10d4059df97af0b6c14c8f8a15ceaaddc0
Reviewed-on: https://chromium-review.googlesource.com/1115712
Commit-Queue: Josh Horwich <jhorwich@chromium.org>
Reviewed-by: Luis Hector Chavez <lhchavez@chromium.org>
Reviewed-by: Long Cheng <lgcheng@google.com>
Cr-Commit-Position: refs/heads/master@{#571532}