API Council Feedbacks

1) Add Annotation for getCarrirPrivilegeStatus
2) Remove NullProinterException throwing in isDataConnectionAllowed
3) Add SdkConstant for ACTION_UPDATE_EMRGENCY_NUMBER_DB

Test: Treehugger
Bug: 148218347
Bug: 151455822
Change-Id: I4943491abf70641f9379862a67941295a4cf67f9
3 files changed