Merge "Add relative APIs for InCallService that can support self-managed connections that want to expose itself." am: 59c47d24fc am: f5468331b4

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1526998

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I166bd3ba72e1ffa4e6297bd7ec69fde1f15bd1d7