修正微信设备授权接口参数字段缺失

参见 http://iot.weixin.qq.com/wiki/new/index.html?page=3-4-5

weixin-java-mp/src/main/java/me/chanjar/weixin/mp/bean/device/WxDeviceAuthorize.java

@@ -14,6 +14,8 @@ public class WxDeviceAuthorize extends AbstractDeviceBean {
   private String deviceNum;
   @SerializedName("op_type")
   private String opType;
+  @SerializedName("product_id")
+  private String productId;
   @SerializedName("device_list")
   private List<WxDevice> deviceList = new LinkedList<>();
 
@@ -33,6 +35,14 @@ public class WxDeviceAuthorize extends AbstractDeviceBean {
     this.opType = opType;
   }
 
+  public String getProductId() {
+    return productId;
+  }
+
+  public void setProductId(String productId) {
+    this.productId = productId;
+  }
+
   public List<WxDevice> getDeviceList() {
     return deviceList;
   }