[automerger skipped] Merge "Implement call streaming notification." into udc-dev am: b62913ef76 am: 40adde2de4 -s ours am: 8f46ae7ac4 -s ours am: ae11c68d49 -s ours

am skip reason: Merged-In Id09ba876bc958e5f4f0f560186035f293ba4dfc5 with SHA-1 25eca0eac2 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/23077737

Change-Id: I0851c8286781d803ff74afd81bd4fe539fee204b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>