Cross Reference: /frameworks/base/packages/Keyguard/res/drawable-mdpi

`Name`	`Date`	`Size`
Up to higher level directory
`ic_done_wht.png`	21-Oct-2016	`1.2K`
`ic_lockscreen_sim.png`	21-Oct-2016	`2.5K`
`kg_security_lock_normal.png`	21-Oct-2016	`1.9K`