增加FileUtil工具类，用以操作文件；收到评判信息后，写入数据库；app收到获取rtk信息后推送rtk平台信息

lizhanwei

2020-01-08 27d624ea5cad0c326dbf513a122a10a9e0f95c31

 app/src/main/java/safeluck/drive/evaluation/Constant.java

@@ -44,4 +44,7 @@
    //17．评判信息[{"wrong_id":0},{"wrong_id":3}]
    public static final int JUDGE_INFO = 0x000c;

    public static final String RTK_CONFIG_JSON = "rtk_config.json";
    public static final String BIND_DRIVING_TOPIC = "driving";
    public static final long TEST_STU_ID = 1001;
}