This contains the new FPDFPath_GetFillColor / FPDFPageObj_GetType APIs I
want to use in CppunitTest_vcl_pdfexport.

Change-Id: I275ff761188c07dbbab27a1e0715ac250cd306c9
Reviewed-on: https://gerrit.libreoffice.org/36974Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>