Merge "Add AppOps overload to be able to watch foreground changes." into udc-dev am: 3fefafa906

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/22464543

Change-Id: Ia75043bd1b2d804189f2ed6f7b36defda633dc5d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>