Merge "Fix that PhoneSwitcher only listens to call state change of default...
Merge "Fix that PhoneSwitcher only listens to call state change of default sub." into qt-dev am: 06da7734 am: 72e2c097
am: 3aef9342
Change-Id: I6fcfa0ccf4b6ef91120a97aa97a25cc80f108b6c