per-app-orientation(experimental) & landsc recents performance
Allow custom properties on getActualProperty

Without this, getting navbar dpi via getActualProperty would cause a crash
Better handling for getActualProperty

If appInfo is not found, first attempt to use getProperty, and in case of failing, fall back to rom defaults
tabUI drawables
Implement color picker as an API

Cherrypicked from jellybean CMPA branch