CairoCanvas, added cairo printer to easier work with cairocanvas backends

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40701 4005530d-fff6-0310-9dd1-cebe43e6787f
CairoCanvas, added modified test from issue 24217 from Anton to test cairo printer

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40702 4005530d-fff6-0310-9dd1-cebe43e6787f