refactor folders to make prepare for native pdf parser

experimental/PdfViewer/pdfparser/podofo/autogen/SkPdfApplicationDataDictionary_autogen.cpp

 #include "SkPdfApplicationDataDictionary_autogen.h"
 
 SkPdfDate SkPdfApplicationDataDictionary::LastModified() const {
   SkPdfDate ret;
   if (DateFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "LastModified", "", &ret)) return ret;
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return SkPdfDate();
 }
 
 SkPdfObject* SkPdfApplicationDataDictionary::Private() const {
   SkPdfObject* ret;
   if (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Private", "", &ret)) return ret;
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return NULL;
 }