This utility helps apps to forward to another Player while overriding
selected behavior or state values. The advantage to a ForwardingPlayer
is that the SimpleBasePlayer base class keeps ensuring correctness,
listener handling etc.
The default forwarding logic tries to stay as close as possible to the
original method calls, even if not strictly required by the Player
interface (e.g. calling single item addMediaItem instead of
addMediaItems if only one item is added).
Issue: androidx/media#1183
PiperOrigin-RevId: 650155924
f55c09cfe2