Settings: Fix blacklist settings crash

Change-Id: Idd261aa9f8e2867312aaaece26150671b177994c
LCD Density Changer

Credit to DU and LS

Change-Id: I41494778d6056394d0fba4b2bb26f2c666436f47

Conflicts:
	res/values/rr_strings.xml
	res/xml/rr_main_settings.xml
Change Header font for DPI Pref Screen ... to match others
Settings: last app action in long press

Change-Id: I72d9cb5bca5eedd20ea80ee69d370a478e59def4