code: public void setDeviceManufacturerTargeting(com.google.api.ads.admanager.axis.v201811.DeviceManufacturerTargeting deviceManufacturerTargeting) {
          this.deviceManufacturerTargeting = deviceManufacturerTargeting;
      }
docs: Sets the deviceManufacturerTargeting value for this TechnologyTargeting.
  
  @param deviceManufacturerTargeting   * The device manufacturers being targeted by the {@link LineItem}.