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: I688b19af06c2fc8e3d3a0e71bf8e32a877d0c11c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>