PowerMenu: move actions[] to a resource to allow overlays

Also, if you want a custom ordering you can just sort the strings.
They will populate the power menu dialog in the order presented.

Change-Id: I46a954be35d593248b43f4abc08a7668aeada101
Merge branch 'EXODUS' of https://github.com/VanirAOSP/packages_apps_Settings into HEAD

Conflicts:
	res/values/vanir_arrays.xml