In the render process, we use DecryptingDemuxerStream, which handles no-key. But resuming decryption is only triggered on key status update from the CDM. Given we have 3 processes involved, there could be race conditions where when we try to resume playback, the key has not been set in CdmProxy yet.

To solve the problem, D3D11Decryptor should handle the no-key -> wait -> set-key -> resume logic, similar to how D3D11VideoDecoder works.