[automerger skipped] Merge "[Settings] Add voice call status and VoLTE mode...

[automerger skipped] Merge "[Settings] Add voice call status and VoLTE mode detection into VoLTE UI test case" am: 3c934b28 am: 80a69cb5 am: fc69b02c -s ours

am skip reason: Change-Id I8b6a212dc727f1ab78f4dd280cb41966b7054180 with SHA-1 227329b2 is in history

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/1510917

Change-Id: I41856bea6a1f7a0052c123823d9314ba52fe2f22