Cross Reference: /packages/apps/Launcher3/WallpaperPicker/res/drawable-mdpi

`Name`	`Date`	`Size`
Up to higher level directory
`ic_actionbar_accept.png`	23-Apr-2015	`1.2K`
`ic_images.png`	23-Apr-2015	`1.3K`
`tile_shadow_bottom.9.png`	23-Apr-2015	`140`
`tile_shadow_top.9.png`	23-Apr-2015	`138`