settings: Add xxhdpi profile icon

Change-Id: Ib4b45821fc7b908a8fe5d44f31543c5e7e15ba5a
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Merge branch 'cm-11.0' of git://github.com/CyanogenMod/android_packages_apps_Settings into cd-4.4