Cross Reference: /packages/apps/Email/res/mipmap-xxhdpi

`Name`	`Date`	`Size`
Up to higher level directory
`ic_launcher_email.png`	03-Jun-2014	`15.8K`
`ic_launcher_mail.png`	03-Jun-2014	`15.8K`
`ic_launcher_shortcut_folder.png`	03-Jun-2014	`15.8K`

OpenGrok