Add vehicle spawn points

(cherry picked from commit 9aed85ed37)

Unreal/CarlaUE4/Plugins/Carla/Source/Carla/Vehicle/VehicleSpawnPoint.h

@@ -0,0 +1,17 @@
+// Copyright (c) 2017 Computer Vision Center (CVC) at the Universitat Autonoma
+// de Barcelona (UAB).
+//
+// This work is licensed under the terms of the MIT license.
+// For a copy, see <https://opensource.org/licenses/MIT>.
+
+#pragma once
+
+#include "Engine/TargetPoint.h"
+#include "VehicleSpawnPoint.generated.h"
+
+/// Base class for spawner locations for walkers.
+UCLASS()
+class CARLA_API AVehicleSpawnPoint : public ATargetPoint
+{
+  GENERATED_BODY()
+};