fix `Notification is not defined` on Android Webview or under ios16.4

Kairlec

2023-04-23 ea3f899593f47c1c6fe708495af0a091a3c73d5f

 src/main/java/com/genersoft/iot/vmp/conf/MediaStatusTimerTask.java

@@ -1,6 +1,5 @@
package com.genersoft.iot.vmp.conf;

import com.alibaba.fastjson.JSONObject;
import org.springframework.scheduling.annotation.Scheduled;

/**