替换一个过时的API，解决maven打包警告

xiaoxie

2022-05-01 260bfd5935b87edd4e09a2d77b9536d0e85dde47

 src/main/java/com/genersoft/iot/vmp/gb28181/task/ISubscribeTask.java

@@ -1,5 +1,9 @@
package com.genersoft.iot.vmp.gb28181.task;

import javax.sip.DialogState;

public interface ISubscribeTask extends Runnable{
    void stop();

    DialogState getDialogState();
}