Add getYUV8Planes() API to SkCodec

src/codec/SkJpegCodec.h

Index: src/codec/SkJpegCodec.h
diff --git a/src/codec/SkJpegCodec.h b/src/codec/SkJpegCodec.h
index 8e2db81b73a1ff8f1a6b6a6407721d44ce089313..36edef173312fad589c8a16333c685332a5e663d 100644
--- a/src/codec/SkJpegCodec.h
+++ b/src/codec/SkJpegCodec.h
@@ -48,6 +48,11 @@ protected:
     Result onGetPixels(const SkImageInfo& dstInfo, void* dst, size_t dstRowBytes, const Options&,
             SkPMColor*, int*, int*) override;
 
+    bool onGetYUV8Sizes(SkISize sizes[3]) const override;
+
+    Result onGetYUV8Planes(SkISize sizes[3], void* pixels[3], size_t rowBytes[3],
+            SkYUVColorSpace* colorSpace) override;
+
     SkEncodedFormat onGetEncodedFormat() const override {
         return kJPEG_SkEncodedFormat;
     }