Add android config option for vp9 build
Add android config option for vp9 build

PiperOrigin-RevId: 270640701

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