telephony: Reintroduce the old ICS RadioStates

All the previous SIM/RUIM states are now equivalent to "RADIO_ON".
Tested with a fully ICS-compliant set of radio libraries, and appears
to work fully.

Conflicts:
	src/java/com/android/internal/telephony/RIL.java

Change-Id: Id34320c59a316e2b6747bd3a48077b863ab772d6