Cross Reference: /frameworks/base/docs/html/training/beam-files

`Name`	`Date`	`Size`
Up to higher level directory
`index.jd`	06-Dec-2016	`2K`
`receive-files.jd`	06-Dec-2016	`13.5K`
`send-files.jd`	06-Dec-2016	`11.2K`