Cross Reference: /developers/samples/android/notification/MessagingService/screenshots

`Name`	`Date`	`Size`
Up to higher level directory
`1-main.png`	21-Aug-2018	`35.7K`
`2-onemessage.png`	21-Aug-2018	`61.6K`
`2-threemessages.png`	21-Aug-2018	`89.8K`
`icon-web.png`	21-Aug-2018	`71.9K`