Deprecate most of NetworkInfo.

getType, getTypeName, isConnectedOrConnecting, isConnected,
isAvaisable, isFailover, isRoaming, getState, getDetailedState,
getReason, and the TYPE_* constants in ConnectivityManager
along with methods that use them are now stacked on a boat
bound for the other side of the Styx.

Test: no code changes
Bug: 62844794
Change-Id: Idd70763de5b1af5580b4734cd443ac4b570069cc