Finalize 2.11.0 release notes
Finalize 2.11.0 release notes

PiperOrigin-RevId: 284500197

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