add updateDesiredLocationCallBack method
add updateDesiredLocationCallBack method

xShay/SE306-ROS,xShay/SE306-ROS,shaykalyan/SE306-ROS,shaykalyan/SE306-ROS,xShay/SE306-ROS,xShay/SE306-ROS,shaykalyan/SE306-ROS,shaykalyan/SE306-ROS