Add a policy to allow storage of display settings in MGS

Previously, we were never allowing guest users to configure global
display settings, but since it became common to have cases where we have
one single user always using managed guest session, we decided them to
be able to configure device-wide display setting.

Bug: 1166412, b/150002447
Change-Id: I09a372dd9878a01cb9d2f99f52e6e9e85d822b94
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2628288
Commit-Queue: Anatoliy Potapchuk <apotapchuk@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
Reviewed-by: Sergey Poromov <poromov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#845145}
GitOrigin-RevId: d8cf136ed93d1d18ab4748146a52308d2ebe1135
1 file changed