Cross Reference: /frameworks/base/tools/layoutlib/bridge/resources/bars/xhdpi

`Name`	`Date`	`Size`
Up to higher level directory
`ic_sysbar_back.png`	25-Jul-2013	`1.4K`
`ic_sysbar_home.png`	25-Jul-2013	`1.4K`
`ic_sysbar_recent.png`	25-Jul-2013	`749`