change control thread from binder to main for PhoneInterfaceManager#registerImsRegistrationCallback

change control thread from binder to main for PhoneInterfaceManager#registerImsRegistrationCallback

Bug: 238143538
Test: atest ImsStateCallbackController
Test: manaul test with AT&T SIM
1. flashing
2. adb kill -9 system_server
3. check registering callback in text log

Change-Id: I83bb37c978ff06553d0c20825c932f79637e47e9
3 files changed