CM11 Themes: Take into account ALL res/xml dirs

Only res/xml was being searched for redirection XML files, which
causes themes that use xml-v14, xml-v19, etc to be overlooked and
resources not being mapped.

Change-Id: I8ccad5770250150a95ec3b89be56f8d01025b126
Merge "CM11 Themes: Take into account ALL res/xml dirs" into cm-11.0