Make AndroidOptions const

src/codec/SkSampledCodec.h

Index: src/codec/SkSampledCodec.h
diff --git a/src/codec/SkSampledCodec.h b/src/codec/SkSampledCodec.h
index bbd7d3599c200b5174e9ec74a3d0009b0cce052d..b3a59126d26c003997cb6426959e49a54e1098f0 100644
--- a/src/codec/SkSampledCodec.h
+++ b/src/codec/SkSampledCodec.h
@@ -30,7 +30,7 @@ protected:
     bool onGetSupportedSubset(SkIRect* desiredSubset) const override { return true; }
 
     SkCodec::Result onGetAndroidPixels(const SkImageInfo& info, void* pixels, size_t rowBytes,
-            AndroidOptions& options) override;
+            const AndroidOptions& options) override;
 
 private:
     /**
@@ -55,7 +55,7 @@ private:
      *  provide the scale by sampling.
      */
     SkCodec::Result sampledDecode(const SkImageInfo& info, void* pixels, size_t rowBytes,
-            AndroidOptions& options);
+            const AndroidOptions& options);
 
     SkAutoTDelete<SkCodec> fCodec;