Cross Reference: /development/samples/training/NavigationDrawer/res/drawable-mdpi

`Name`	`Date`	`Size`
Up to higher level directory
`action_search.png`	20-Sep-2013	`1.4K`
`drawer_shadow.9.png`	20-Sep-2013	`158`
`ic_drawer.png`	20-Sep-2013	`2.8K`
`ic_launcher.png`	20-Sep-2013	`2.3K`