Cross Reference: /frameworks/base/docs/html/training/in-app-billing

`Name`	`Date`	`Size`
Up to higher level directory
`index.jd`	23-Apr-2015	`2.9K`
`list-iab-products.jd`	23-Apr-2015	`5.5K`
`preparing-iab-app.jd`	23-Apr-2015	`10.2K`
`purchase-iab-products.jd`	23-Apr-2015	`10.5K`
`test-iab-app.jd`	23-Apr-2015	`4.5K`