message: Add a stub for systemHardwareVersion
diff: @@ -1645,7 +1645,11 @@ bool ApplicationManagerImpl::GetProtocolVehicleData(
  }
  data.vehicle_system_software_version = hmi_capabilities_->ccpu_version();
  +
  + /* Replace empty string with the next line
  data.vehicle_system_hardware_version = hmi_capabilities_->hardware_version();
  + when system_hardware_version source is added */
  + data.vehicle_system_hardware_version = " ";
  return true;
  }
  