Merge "Do not allow setting notification access across users." into udc-dev am: 0e1af05715

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25096530

Change-Id: Ic5d70d9030a6e3720fe84e8d82b6841a683fa665
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>