1. Code refactor for android.telephony.ims.ImsManager. 2. Remove unused methods Bug: 140542283 Test: build pass Change-Id: I187789a8a553a2c073b3591807dfebfafba6bc14
1. Code refactor for android.telephony.ims.ImsManager. 2. Remove unused methods Bug: 140542283 Test: build pass Change-Id: I187789a8a553a2c073b3591807dfebfafba6bc14