* commit '6875b4385c1d1e4c1160ba6cd9128a461565338b':
Doc change: cleanup filtering sidebars and api level table. Changes links pointing to billing and other play docs that have moved.
Many media files and source code files were marked as executable in Git.
Remove those.
Also a shell script and python script were not marked as executable.
Change-Id: Ieb51bafb46c895a21d2e83696f5a901ba752b2c5
add manifest documentation for uses-feature and supports-screens elements.
also update the navigation and manifest home page,
update the uses-sdk element to include new maxSdk and targeSdk attributes,
and add some sample code to DisplayMetrics to query the device for screen info.
