message: Parse dialog, activity elements in nagivation xml files
  Summary: We were still removing some fragments incorrectly, since only a subset of the xml elements were being read.
diff: @@ -734,7 +734,9 @@ void extract_classes_from_layout(
  android::String16 tag(parser.getElementName(&len));
  std::string classname = convert_from_string16(tag);
  if (!strcmp(classname.c_str(), "fragment") ||
  - !strcmp(classname.c_str(), "view")) {
  + !strcmp(classname.c_str(), "view") ||
  + !strcmp(classname.c_str(), "dialog") ||
  + !strcmp(classname.c_str(), "activity")) {
  classname = get_string_attribute_value(parser, klazz);
  if (classname.empty()) {
  classname = get_string_attribute_value(parser, name);
  