Merge "Merge "Move IPC calls to background thread in CarrierTextController" into rvc-dev am: 03855c1a12 am: 4154d0d607 am: d58059b4cf" into rvc-qpr-dev-plus-aosp am: bc89483b45

Change-Id: If2ba2c22f7bf920dc64bdb116c8c2e5b8990c4d6