[automerger skipped] Merge "Add relative APIs for InCallService that can support self-managed connections that want to expose itself." am: 59c47d24fc am: f5468331b4 am: 3771f5e563 -s ours

am skip reason: Change-Id I0a42ea79a1cd46aa9df3399c4fa2e9396321778a with SHA-1 e99fde9678 is in history

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib01ce355d09a32c23e158defc2863396052627a3