NetworkManagement : Add ability to restrict app data/wifi usage

CYAN-3976
CRACKLING-834

Changes in cm-14.1:

*) Substitute marshmallow LISTEN_DATA_CONNECTION_REAL_TIME_INFO
   PhoneStateListener() for a CONNECTIVITY_ACTION broadcast
   receiver that unregisters itself once mDataInterfaceName
   has been set.
*) Convert usage of Map<Integer, Boolean> into SparseBooleanArray

Change-Id: Iaa0483d0ad64511184f0f31d93552a93fbab6dd0