chore(perception): change namespace of traffic light nodes (autowaref…

…oundation#342) (autowarefoundation#344)

Signed-off-by: Tomohito Ando <[email protected]>

autoware_launch/launch/components/tier4_perception_component.launch.xml

@@ -13,6 +13,7 @@
     <arg name="centerpoint_model_param_path" value="$(var centerpoint_model_param_path)"/>
     <arg name="remove_unknown" value="false"/>
     <arg name="trust_distance" value="100.0"/>
+    <arg name="namespace1" value="camera7"/>
 
     <arg
       name="object_recognition_detection_object_lanelet_filter_param_path"