Revert of Remove SkPaintOptionsAndroid

src/core/SkScalerContext.cpp

Index: src/core/SkScalerContext.cpp
diff --git a/src/core/SkScalerContext.cpp b/src/core/SkScalerContext.cpp
index db3c0fb2f57e04c4aa490fb95638fd393d4b0d42..11208fec599bad1ca0dfeef7f3bab9c23f00dc96 100644
--- a/src/core/SkScalerContext.cpp
+++ b/src/core/SkScalerContext.cpp
@@ -22,6 +22,10 @@
 #include "SkRasterClip.h"
 #include "SkStroke.h"
 #include "SkThread.h"
+
+#ifdef SK_BUILD_FOR_ANDROID
+    #include "SkTypeface_android.h"
+#endif
 
 #define ComputeBWRowBytes(width)        (((unsigned)(width) + 7) >> 3)
 
@@ -107,6 +111,15 @@
              desc->findEntry(kPathEffect_SkDescriptorTag, NULL),
         desc->findEntry(kMaskFilter_SkDescriptorTag, NULL));
 #endif
+#ifdef SK_BUILD_FOR_ANDROID
+    uint32_t len;
+    const void* data = desc->findEntry(kAndroidOpts_SkDescriptorTag, &len);
+    if (data) {
+        SkReadBuffer buffer(data, len);
+        fPaintOptionsAndroid.unflatten(buffer);
+        SkASSERT(buffer.offset() == buffer.size());
+    }
+#endif
 }
 
 SkScalerContext::~SkScalerContext() {