switchCamera method
Implementation
Future<void> switchCamera() async {
  final action = OmiAction(
    actionName: OmiActionName.SWITCH_CAMERA,
    data: {},
  );
  return await _controller.action(action);
}Future<void> switchCamera() async {
  final action = OmiAction(
    actionName: OmiActionName.SWITCH_CAMERA,
    data: {},
  );
  return await _controller.action(action);
}