A trespasser who made his way into the Houses of Parliament told officers he was there to "visit Prince Andrew and Prince Charles", a court has heard.Devon Dorrall, 23, pleaded guilty to one count of trespassing on a protected site on November 30 at Westminster Magistrates' Court.Dorrall, from Tilehurst, Berkshire, was said to have been suffering a "psychotic episode" after the "consumption of illegal drugs" when he told officers who had approac…