changed camera id 0 -> 2

Author: brunomonteiro98

physical_bringup/launch/traxxas_drive2a.launch

@@ -11,7 +11,7 @@
     <arg name="vel_cmd_topic" default="/android_input_vel"/>
 
     <arg name="camera_topic" default="/real_camera"/>
-    <arg name="int_camera_id" default="0"/>   
+    <arg name="int_camera_id" default="2"/>   
 
     <group if="$(eval arg('model') != '')">