Update tracetools' QL to 2 in rclcpp's QD (#1187)
Update tracetools' QL to 2 in rclcpp's QD (#1187)

Signed-off-by: Christophe Bedard <47f825544f22d0e021ad5059f621c719c67210a3@gmail.com>
ros2/rclcpp,ros2/rclcpp