* 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