Add AV1 to supported formats
Add AV1 to supported formats

PiperOrigin-RevId: 281724630

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