
Use AUDIO_UNKNOWN instead. This is in line with our handling of video tracks with VIDEO_UNKNOWN. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=157209428
Use AUDIO_UNKNOWN instead. This is in line with our handling of video tracks with VIDEO_UNKNOWN. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=157209428