Merge "Use a unique notification per screen recording" into udc-dev am: 552d9571

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22908881



Change-Id: I76aafb0e5f53255ac1536e93f32e5f2bd8e7c836
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>