提交aysdk ，IayexamInterface

endian11

2020-01-06 ff1a9ee1a086f31c3a9d0a7b261eae7f200e8b2c

 lib/src/main/java/com/anyun/exam/lib/IAYExamInterface.java

@@ -12,4 +12,6 @@
    void checkSignal(int type);
    void add();
    void registListener(IAYExamListener iayExamListener);

    void at_sendCmd(String s);
}