Removed C-RoM branding from strings files

Change-Id: I6de7e79c9594cc034f13702471c32f01f902272f
Added n5x's Density Changer

Change-Id: Ia412d222cfd196c8c04a61654ecd3d0d21361a1c

Conflicts:
	res/values/n5x_arrays.xml
	res/values/n5x_strings.xml
	res/xml/system_ui_settings.xml

Conflicts:
	res/values/n5x_arrays.xml
	res/values/n5x_strings.xml
	res/xml/system_ui_settings.xml