message: Update test_d435i_vio.launch
diff: <launch>
  -<!-- Example usage of RTAB-Map with VINS-Fusion support for realsense D435i -->
  +<!-- Example usage of RTAB-Map with VINS-Fusion support for realsense D435i.
  + Make sure to disable the IR emitter or put a tape on the IR emitter to
  + avoid VINS tracking the fixed IR points (that would cause large drifts) -->
  <arg name="rtabmapviz" default="true"/>
  <arg name="rviz" default="false"/>
  