RtcAudioSourceStats
constructor( id: String?, type: String?, timestampUs: Double?, kind: String?, trackIdentifier: String?, audioLevel: Double?, totalAudioEnergy: Double?, totalSamplesDuration: Double?, echoReturnLoss: Double?, echoReturnLossEnhancement: Double?, droppedSamplesDuration: Double?, droppedSamplesEvents: Long?, totalCaptureDelay: Double?, totalSamplesCaptured: Long?)