tianyifeng 2ab5841ac2 Add setPlayerId(PlayerId) and prepareSourceCalled to BaseMediaSource
Also add getLastCreatedSource to FakeMediaSourceFactory which will be helpful in testing.

PiperOrigin-RevId: 563463475
2023-09-07 09:58:42 -07:00
..
2023-06-29 22:51:20 +00:00