Further tweaking of release notes
Further tweaking of release notes

androidx/media,stari4ek/ExoPlayer,ened/ExoPlayer,amzn/exoplayer-amazon-port,superbderrick/ExoPlayer,superbderrick/ExoPlayer,amzn/exoplayer-amazon-port,google/ExoPlayer,amzn/exoplayer-amazon-port,ened/ExoPlayer,ened/ExoPlayer,google/ExoPlayer,google/ExoPlayer,superbderrick/ExoPlayer,stari4ek/ExoPlayer,androidx/media,stari4ek/ExoPlayer,androidx/media