This reverts https://github.com/google/ExoPlayer/commit/a81dea6a47c7df83f029e03080dd6878ab75f133 and adds in the necessary nullness annotations After a discussion that this:: method references allocate on every call: https://dzone.com/articles/passing-thismethod-reference-within-a-loop-affects PiperOrigin-RevId: 275813989
