compatibility-v7-gridlayout: fix the install package
compatibility-v7-mediarouter: change compat dependency to latest

source.properties now uses whole numbers for libraries.
Now use '19' instead of '19.0.0'.
play-apk-expansion/downloader-library: change compat dependency to latest

source.properties now uses whole numbers for libraries.
Now use '2' instead of '2.0.0'.