Cross Reference: /developers/samples/android/notification/LNotifications/Application/src/main/res/drawable-mdpi

`Name`	`Date`	`Size`
Up to higher level directory
`ic_contact_picture.png`	22-Oct-2020	`959`
`ic_launcher.png`	22-Oct-2020	`3.1K`
`ic_launcher_notification.png`	22-Oct-2020	`401`
`ic_private.png`	22-Oct-2020	`454`
`ic_private_notification.png`	22-Oct-2020	`341`
`ic_public.png`	22-Oct-2020	`1.3K`
`ic_public_notification.png`	22-Oct-2020	`855`
`ic_secret.png`	22-Oct-2020	`692`
`ic_secret_notification.png`	22-Oct-2020	`501`

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