Themes: Let ThemeService handle all theme processing [3/3]

Change-Id: Ied877eb5f1e96774d2e415970034d0b892765134
Merge "Themes: Let ThemeService handle all theme processing [3/3]" into cm-11.0
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_packages_providers_ThemesProvider into kk_mkt