
As per the IAMF spec (https://aomediacodec.github.io/iamf/#iasampleentry-section), `channelCount` and `sampleRate` SHALL be set to `0` and ignored. #cherrypick PiperOrigin-RevId: 683648991
As per the IAMF spec (https://aomediacodec.github.io/iamf/#iasampleentry-section), `channelCount` and `sampleRate` SHALL be set to `0` and ignored. #cherrypick PiperOrigin-RevId: 683648991