LCD Density Changer

Credit to DU and LS and CandyRoms

Change-Id: I41494778d6056394d0fba4b2bb26f2c666436f47

Conflicts:
	res/values/rr_strings.xml
	res/xml/rr_main_settings.xml

Conflicts:
	res/values/candy_arrays.xml
	res/values/candy_strings.xml
	res/xml/candy_main_settings.xml