[Telephony] PhoneStateListener redesign for new event

 1. Add int EVENT_* and expose these as @SystemApi
 2. Add listener interface
 3. Deprecated LISTEN_*
 4. un/registerPhoneStateListener
 5. get event from event listener
 6. Add event to list

Test: manual and
atest TelephonyManagerTest#testRegisterPhoneStateListener
atest TelephonyManagerPermissionTest
atest CtsTelephonyTestCases:PhoneStateListenerTest
atest TelephonyRegistryManagerTest
atest CtsTelecomTestCases:android.telecom.cts.IncomingCallTest
atest CtsTelecomTestCases:android.telecom.cts.OutgoingCallTest

Bug: 167684594
Change-Id: Id89a541745fb8700e1ebd2cc162ee55cd1055661
Merged-In: Id89a541745fb8700e1ebd2cc162ee55cd1055661