add support for lightning microphone (#693)
add support for lightning microphone (#693)

Co-authored-by: cr0manty <cb34a059197307ba4b3600f9493aa1dc2f49fd3b@dataart.com>
flutter-webrtc/flutter-webrtc,flutter-webrtc/flutter-webrtc,flutter-webrtc/flutter-webrtc,flutter-webrtc/flutter-webrtc,flutter-webrtc/flutter-webrtc,flutter-webrtc/flutter-webrtc,flutter-webrtc/flutter-webrtc,flutter-webrtc/flutter-webrtc