*** Original commit *** Rollback of https://github.com/google/ExoPlayer/commit/3b22db33ba944df6829b1eff328efb0cd25e1678 *** Original commit *** add top-level playlist API to ExoPlayer Public design doc: https://docs.google.com/document/d/11h0S91KI5TB3NNZUtsCzg0S7r6nyTnF_tDZZAtmY93g Issue: #6161 *** *** PiperOrigin-RevId: 275276158