Merge "Play tone when RTT upgrade received" am: 34d5a951b5 am: f7e8ed68c9

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telecomm/+/1620670

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I82af01f71ab0538e763860fe2284f781fd264bc9