Cross Reference: /frameworks/base/docs/html/training/secure-file-sharing

`Name`	`Date`	`Size`
Up to higher level directory
`index.jd`	06-Dec-2016	`3.1K`
`request-file.jd`	06-Dec-2016	`5.4K`
`retrieve-info.jd`	06-Dec-2016	`4.3K`
`setup-sharing.jd`	06-Dec-2016	`7K`
`share-file.jd`	06-Dec-2016	`13.3K`