feat(autoware_launch): add argument to enable/disable simulation time (…

…#886)

Signed-off-by: Berkay Karaman <[email protected]>

autoware_launch/launch/e2e_simulator.launch.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <launch>
   <!-- Essential parameters -->
+  <arg name="use_sim_time" default="true" description="use simulation time"/>
   <arg name="map_path" description="point cloud and lanelet2 map directory path"/>
   <arg name="vehicle_model" default="sample_vehicle" description="vehicle model name"/>
   <arg name="sensor_model" default="sample_sensor_kit" description="sensor model name"/>
@@ -57,7 +58,7 @@
       <arg name="launch_planning" value="$(var planning)"/>
       <arg name="launch_control" value="$(var control)"/>
       <!-- Global parameters -->
-      <arg name="use_sim_time" value="true"/>
+      <arg name="use_sim_time" value="$(var use_sim_time)"/>
       <!-- Vehicle -->
       <arg name="launch_vehicle_interface" value="$(var launch_vehicle_interface)"/>
       <!-- Map -->