RIL for Samsung v6 RIL CDMA devices, based on SamsungRIL.

rev 2: Fix whitespace.
rev 3: Fix whitespace.
rev 4: Rename subclass to be more generic.
rev 5: Bring in some RIL state updates from Smdk4210RIL.
rev 6: Override getDataCallState to provide correct dataCall.ifname.
rev 7: Remove unused variables from testing.

Change-Id: Ibe611b59509ceff8edb1c3fc2775e5bbd8916e13