Replace isImsReigstered() by callback from ImsMmTelManager. Bug: 140542283 Test: m RunSettingsRoboTests -j ROBOTEST_FILTER=SimStatusDialogControllerTest Change-Id: I904da749df7074918d205ebd004a173ed109c561
Replace isImsReigstered() by callback from ImsMmTelManager. Bug: 140542283 Test: m RunSettingsRoboTests -j ROBOTEST_FILTER=SimStatusDialogControllerTest Change-Id: I904da749df7074918d205ebd004a173ed109c561