Fix issue where self-managed calls play ringtone. 

am: 638f180c1a am: e466ad4a97 am: 47f8a077bb
am: 6013a6452d

Change-Id: I55e110795a4f899f5fef9285a2b91dae5b553490
(cherry picked from commit 2febed9af91bcf1132400dd77395141a75b3b63b)
1 file changed