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

`Name`	`Date`	`Size`
Up to higher level directory
`hdpi/`	05-Oct-2017
`ldrtl-hdpi/`	05-Oct-2017
`ldrtl-mdpi/`	05-Oct-2017
`ldrtl-xhdpi/`	05-Oct-2017
`ldrtl-xxhdpi/`	05-Oct-2017
`mdpi/`	05-Oct-2017
`xhdpi/`	05-Oct-2017
`xxhdpi/`	05-Oct-2017