Cross Reference: /frameworks/testing/espresso/espresso-sample/src/main/res/drawable-mdpi

`Name`	`Date`	`Size`
Up to higher level directory
`ic_action_calendar.png`	03-Dec-2014	`241`
`ic_action_key.png`	03-Dec-2014	`358`
`ic_action_lock.png`	03-Dec-2014	`242`
`ic_action_save.png`	03-Dec-2014	`254`
`ic_action_search.png`	03-Dec-2014	`418`
`ic_action_world.png`	03-Dec-2014	`710`
`ic_drawer.png`	03-Dec-2014	`2.8K`
`ic_launcher.png`	03-Dec-2014	`1.7K`