fix/add arg in order to disable dummy_perception_publisher from comma…

…nd line (autowarefoundation#144)

autoware_launch/launch/logging_simulator.launch.xml

@@ -20,6 +20,8 @@
   <arg name="lanelet2_map_file" default="lanelet2_map.osm" description="lanelet2 map file name"/>
   <arg name="pointcloud_map_file" default="pointcloud_map.pcd" description="pointcloud map file name"/>
   <arg name="vehicle_simulation" default="false" description="use vehicle simulation"/>
+  <!-- Optional parameters for scenario simulation -->
+  <arg name="scenario_simulation" default="false" description="use scenario simulation"/>
 
   <!-- Global parameters -->
   <include file="$(find-pkg-share autoware_global_parameter_loader)/launch/global_params.launch.py">
@@ -109,7 +111,7 @@
 
   <!-- Simulator -->
   <include file="$(find-pkg-share simulator_launch)/launch/simulator.launch.xml">
-    <arg name="scenario_simulation" value="false"/>
+    <arg name="scenario_simulation" value="$(var scenario_simulation)"/>
     <arg name="vehicle_simulation" value="false"/>
     <arg name="vehicle_model" value="$(var vehicle_model)"/>
   </include>