mainline:Replace serviceState.getDataRegState and getVoiceRegState

Replace serviceState.getVoiceRegState with getState
Replace serviceState.getDataRegState with getDataRegistrationState

Bug: 146637978
Test: atest TelephonyConnectionServiceTest (PASS)
atest ServiceStateProviderTest (PASS)
atest NumberVerificationManagerTest (PASS)
Change-Id: Id458f4e030186d4bb91573ba638e63280f246df3
Merged-In: Id458f4e030186d4bb91573ba638e63280f246df3
5 files changed