NFC polling mode (2/3)

Change-Id: Ic46ede10fa91f02ca73daa12aa60098c8a52ceef
(cherry picked from commit b5435fce0130e9838621494fecf69a5c7411d4c1)

Conflicts:
	res/values/cr_arrays.xml
	res/values/cr_strings.xml
	src/com/android/settings/WirelessSettings.java