Enable multidex for the playback tests
Enable multidex for the playback tests

PiperOrigin-RevId: 329527311

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