Cross Reference: /frameworks/base/tools/layoutlib/bridge/resources/bars/v21

`Name`	`Date`	`Size`
Up to higher level directory
`hdpi/`	06-Dec-2016
`ldrtl-hdpi/`	06-Dec-2016
`ldrtl-mdpi/`	06-Dec-2016
`ldrtl-xhdpi/`	06-Dec-2016
`ldrtl-xxhdpi/`	06-Dec-2016
`mdpi/`	06-Dec-2016
`xhdpi/`	06-Dec-2016
`xxhdpi/`	06-Dec-2016