GitLab

Add decode logic to extract the settings from policy and set the value
into device settings. Besides, make sure the setting will be reloaded
whenever the policy updates.

Bug: 1040078
Change-Id: Idd6ef1966ded2b430ac05c63f0e026bcef3b47c5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2012033Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Sergey Poromov <poromov@chromium.org>
Commit-Queue: Anqing Zhao <anqing@google.com>
Cr-Commit-Position: refs/heads/master@{#735150}