Cross Reference: /system/media/camera/docs/images/camera2/metadata/android.statistics.lensShadingMap

`Name`	`Date`	`Size`
Up to higher level directory
`blue_shading.png`	21-Aug-2018	`12.7K`
`green_e_shading.png`	21-Aug-2018	`15.1K`
`green_o_shading.png`	21-Aug-2018	`15.5K`
`inv_shading.png`	21-Aug-2018	`71.2K`
`red_shading.png`	21-Aug-2018	`12.5K`