Fix SolidPrimitive.msg to contain a single Polygon (#189)
Fix SolidPrimitive.msg to contain a single Polygon (#189)

Signed-off-by: M. Fatih Cırıt <2e7105d62be709bdbdb355e664f7f58ea37821f3@leodrive.ai>
ros2/common_interfaces,ros2/common_interfaces