
Both `remove(MediaItem)` and `remove(MediaSource)` return a boolean suggesting that whether the preload manager is holding the corresponding `MediaSource` and it has been removed. PiperOrigin-RevId: 622185427
Both `remove(MediaItem)` and `remove(MediaSource)` return a boolean suggesting that whether the preload manager is holding the corresponding `MediaSource` and it has been removed. PiperOrigin-RevId: 622185427