Merge "Add Callback for Registration Failure"

api/current.txt

api/system-current.txt

api/test-current.txt

core/java/android/telephony/PhoneStateListener.java

core/java/android/telephony/TelephonyRegistryManager.java

...a/com/android/internal/telephony/IPhoneStateListener.aidl

...va/com/android/internal/telephony/ITelephonyRegistry.aidl

services/core/java/com/android/server/TelephonyRegistry.java

telephony/java/android/telephony/CellIdentity.java

telephony/java/android/telephony/CellIdentityCdma.java

telephony/java/android/telephony/CellIdentityGsm.java

telephony/java/android/telephony/CellIdentityLte.java

telephony/java/android/telephony/CellIdentityNr.java

telephony/java/android/telephony/CellIdentityTdscdma.java

telephony/java/android/telephony/CellIdentityWcdma.java

...phony/java/android/telephony/NetworkRegistrationInfo.java

telephony/java/android/telephony/ServiceState.java

...ony/java/com/android/internal/telephony/RILConstants.java