Stop disabling InvalidPackage now we're on JUnit 4.13
Stop disabling InvalidPackage now we're on JUnit 4.13

PiperOrigin-RevId: 283995105

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