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: I9b7896e0925178b289bca4df416721eb9f2cd7a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>