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

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I64ff49bbb502052a4e19a654170ff953c378c664