am 6875b438: am a4f67a88: am 49be1ef3: Merge "Doc change: cleanup filtering sidebars and api level table. Changes links pointing to billing and other play docs that have moved." into jb-mr1-dev

* commit '6875b4385c1d1e4c1160ba6cd9128a461565338b':
  Doc change: cleanup filtering sidebars and api level table. Changes links pointing to billing and other play docs that have moved.