Cross Reference: /frameworks/base/packages/SystemUI/res-keyguard/drawable-xxxhdpi

`Name`	`Date`	`Size`
Up to higher level directory
`analog_thumbnail.png`	22-Oct-2020	`1.9K`
`bubble_thumbnail.png`	22-Oct-2020	`2.2K`
`default_thumbnail.png`	22-Oct-2020	`2.6K`