Make skpinfo able to inspect SK_PICT_TYPEFACE_TAG blocks

src/core/SkTypeface.cpp

Index: src/core/SkTypeface.cpp
diff --git a/src/core/SkTypeface.cpp b/src/core/SkTypeface.cpp
index e6a9b4d66cd0f71988cb24e8eb840022ca9316d3..8d4233eac14d62921dba471c6a1a24e4ec0bb9ff 100644
--- a/src/core/SkTypeface.cpp
+++ b/src/core/SkTypeface.cpp
@@ -180,7 +180,12 @@ SkTypeface* SkTypeface::Deserialize(SkStream* stream) {
     if (gDeserializeTypefaceDelegate) {
         return (*gDeserializeTypefaceDelegate)(stream);
     }
-    SkFontDescriptor desc(stream);
+
+    SkFontDescriptor desc;
+    if (!SkFontDescriptor::Deserialize(stream, &desc)) {
+        return nullptr;
+    }
+
     SkFontData* data = desc.detachFontData();
     if (data) {
         SkTypeface* typeface = SkTypeface::CreateFromFontData(data);