GitLab

Create PolicyServiceAndroid and PolicyServiceObserverAndroid class so
that the Java part can listen to the policy initialization event.

Bug: 1108118
Change-Id: I7766808291eef6e0deab3a2d3f7badd2d64b6d29
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2327286
Commit-Queue: Owen Min <zmin@chromium.org>
Reviewed-by: Sky Malice <skym@chromium.org>
Reviewed-by: Wenyu Fu <wenyufu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#795740}