Cross Reference: /developers/build/prebuilts/gradle/PictureInPicture/kotlinApp/app/src/main/java/com/example/android/pictureinpicture

`Name`	`Date`	`Size`
Up to higher level directory
`MainActivity.kt`	21-Aug-2018	`10.3K`
`MediaSessionPlaybackActivity.kt`	21-Aug-2018	`11.5K`
`widget/`	21-Aug-2018

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