Merge "Wiring up RTP Transport." am: 27e3703e65 am: 559a2fbda0 am: 594b806c4d

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1553910

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9d0f233538ad6afc6f55666bcacb0f7e3fe22ea1