Merge "[Partial screen sharing] Handle system-requested media projection stop...

Merge "[Partial screen sharing] Handle system-requested media projection stop in SysUI screen recorder" into tm-qpr-dev am: 91066c7d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19196312



Change-Id: I8d6489f37f08750f434f210c2f0c5a29714ce235
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>