Cross Reference: /frameworks/support/v17/leanback/res/drawable-v21

`Name`	`Date`	`Size`
Up to higher level directory
`lb_action_bg.xml`	05-Aug-2015	`1K`
`lb_card_foreground.xml`	05-Aug-2015	`810`
`lb_control_button_primary.xml`	05-Aug-2015	`1.3K`
`lb_control_button_secondary.xml`	05-Aug-2015	`1.4K`

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