Merge "Call Diagnostic Service implementation" am: f4f7063e45 am: 9930c57cd0

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telecomm/+/1604772

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I72e39b3b9cc34dbfef0ba8b49c812535004b764b