Merge "Do not allow setting notification access across users." into udc-dev am: 0e1af057

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



Change-Id: Ice6a7f97d0fa76957026347b33713783c9f6e3ca
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>