Settings: Lockscreen interface initial push

- add ASS Lockscreen
- add shotcutpicker for targets (from CM)
- changes to be multidpi compatible
- QS add new locckscreen drawable

Change-Id: Ia256a9865d890448f9850749b666836f0cfbcccc

Conflicts:
	AndroidManifest.xml
	res/values/arrays.xml
	res/values/strings.xml
	res/xml/interface_settings.xml
	src/com/android/settings/slim/quicksettings/QuickSettingsUtil.java