[automerger skipped] Merge "new API to notify ImsDisconnectCause" am: 9dd5f301 am: 5bb1b40d
am: e5983474 -s ours
am skip reason: change_id I378abf8bf976f7dd5c4b43904c707bd441cc850a with SHA1 f0bfdf1c is in history
Change-Id: Ib8dd178b4b0b336e5322798dd121b029589c9f06