* commit 'fa4596131d818667e26ffbdba6f351f6c1073ee9': Doc change: cleanup filtering sidebars and api level table. Changes links pointing to billing and other play docs that have moved.
* commit 'fa4596131d818667e26ffbdba6f351f6c1073ee9': Doc change: cleanup filtering sidebars and api level table. Changes links pointing to billing and other play docs that have moved.