Merge "Do not allow setting notification access across users." into tm-dev am: 2335fc14

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25096532



Change-Id: I95ea1749ddd8912d42a53f49bc3c9b14eaefc983
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>