Cross Reference: /frameworks/opt/bitmap/sample/res/drawable-mdpi

`Name`	`Date`	`Size`
Up to higher level directory
`ic_launcher.png`	05-Aug-2015	`5.1K`
`ic_placeholder.png`	05-Aug-2015	`481`
`ic_progress_inner.png`	05-Aug-2015	`1.8K`
`ic_progress_outer.png`	05-Aug-2015	`1.9K`