am df71cabb: cherrypick Change-Id: Ica1b68a1687917432d39d7d116c9c24fa1644a83 Initial posting of in-app billing docs

* commit 'df71cabbc2f670a4acea91e04f54990a472a56e9':
  cherrypick Change-Id: Ica1b68a1687917432d39d7d116c9c24fa1644a83 Initial posting of in-app billing docs
tree: 12a552a7b5527f5337adab29948ca5123dfbece3
  1. cmds/
  2. include/
  3. libs/
  4. opengl/
  5. services/
  6. vpn/
  7. MODULE_LICENSE_APACHE2
  8. NOTICE