* Refactored Android notification image selection.

* Refactored Android notification image selection.

* Updated example

* Added headers parameter in BetterPlayerSubtitlesSource

* Added headers parameter in BetterPlayerSubtitlesSource

* Added activityName, open application on notification click on Android

* Fixed playing only audio data sources in iOS

* Fixed playing only audio data sources in iOS

* Removed invalid files

* Updated changelog

* Updated Exo Player version

* Fixed notification not updating correctly for playlists in Android.

* Fixed notification not updating correctly for playlists in Android.

* Removed deprecated Android code. Better Player supports now only v2 embedding.

* Removed deprecated Android code. Better Player supports now only v2 embedding.

* Updated version