refactor folders to make prepare for native pdf parser

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

 #include "SkPdfAppearanceDictionary_autogen.h"
 
 SkPdfStream* SkPdfAppearanceDictionary::getNAsStream() const {
   SkPdfStream* ret = NULL;
   if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "N", "", &ret)) return ret;
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return NULL;
 }
 
 SkPdfDictionary* SkPdfAppearanceDictionary::getNAsDictionary() const {
@@ skipping 23 matching lines @@
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return NULL;
 }
 
 SkPdfDictionary* SkPdfAppearanceDictionary::getDAsDictionary() const {
   SkPdfDictionary* ret = NULL;
   if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "D", "", &ret)) return ret;
   // TODO(edisonn): warn about missing required field, assert for known good pdfs
   return NULL;
 }