start method
Starts new recording session.
path: The output path file. Required on all IO platforms.
On web: This parameter is ignored.
Output path can be retrieves when stop method is called.
Implementation
Future<void> start(
  RecordConfig config, {
  required String path,
}) async {
  _created ??= await _create();
  await RecordPlatform.instance.start(_recorderId, config, path: path);
  _startAmplitudeTimer();
}