[macosx] There's no KEY_TYPED for VK_ESCAPE

http://java.net/jira/browse/MACOSX_PORT-159 submitted 2011/07/13 by Yuri Nesterenko
Add a key listener to a component and look at the events; for instance, use an attached simple example. There's no KEY_TYPED for VK_ESCAPE. There is, on some other platforms.