Telephony: Support for LTE network modes

Change-Id: I8833fe3e56c94303f05111a94433b1b9e6568d2f
RIL: Underp DataCall

Something went wrong with the old-stuff merge, these lines mess
up the parcel

Change-Id: I74191746fe8baec1a86efdd2e9fee7ffa47fc3e3