[3/3] Settings: Audio Themes Settings

Conflicts:
	res/xml/sound_settings.xml

Fw/b: http://gerrit.dirtyunicorns.com/#/c/2148/
Fw/av: http://gerrit.dirtyunicorns.com/#/c/2149/

Change-Id: I8aad04a642441b91617943e6941841aec859396d
Merge branch 'du44' of https://github.com/DirtyUnicorns-KitKat/packages_apps_Settings into HEAD