Merge "Add callSessionIntiating + callSessionInitatingFailed" am: cc7c94c433 am: 54c80ca1f5 am: 1637b855bc

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1520003

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I526dac0395abe35b39f4c696648f82fa490a9dab