Merge "Do not allow setting notification access across users." into udc-dev am: 0e1af05715 am: 941e52515d

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

Change-Id: I77f1287902ae1acb1d8534d1796b83068b7044d5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>