test: move MainForAgentInject to demo package

Author: oldratlee

…alibaba/dcm/tool/MainForAgentInject.java …com/alibaba/demo/MainForAgentInject.javatool/src/test/java/com/alibaba/dcm/tool/MainForAgentInject.java renamed to tool/src/test/java/com/alibaba/demo/MainForAgentInject.java tool/src/test/java/com/alibaba/dcm/tool/MainForAgentInject.java renamed to tool/src/test/java/com/alibaba/demo/MainForAgentInject.java

@@ -1,4 +1,4 @@
-package com.alibaba.dcm.tool;
+package com.alibaba.demo;
 
 import java.net.InetAddress;
 import java.util.Date;