Themes: Squashed for caf [3/6]

Conflicts:
	res/xml/dashboard_categories.xml

Id: I5b88b694db1711302e042a70df663a0a7c0445f8

Expose hardcoded and @android colors from layouts

This will allow theme designers better flexibility with the themes
they design for Settings.  There are probably other resources we
need to expose but this is a good start.

Id: I81254f72cd2d47bc05a7f15c8e3a9fb4c89c8be8

Conflicts:
	res/layout/custom_screencolor.xml
	res/layout/expanded_item.xml
	res/layout/item_row.xml
	res/layout/privacy_guard_manager.xml
	res/layout/screen_color_item.xml
	res/layout/settings_qs_tiles.xml
	res/values/cm_colors.xml

Change-Id: I0c47ed118e59ef18c02e6af5677490d09287f247