Use SkEncodedInfo in place of SkSwizzler::SrcConfig

src/codec/SkGifCodec.cpp

Index: src/codec/SkGifCodec.cpp
diff --git a/src/codec/SkGifCodec.cpp b/src/codec/SkGifCodec.cpp
index cdd9d088f129d2b80055bc5a8e24755ffd1c7f0f..774131f648039c5c40993136be133f199a6f74cd 100644
--- a/src/codec/SkGifCodec.cpp
+++ b/src/codec/SkGifCodec.cpp
@@ -464,7 +464,7 @@ SkCodec::Result SkGifCodec::prepareToDecode(const SkImageInfo& dstInfo, SkPMColo
 void SkGifCodec::initializeSwizzler(const SkImageInfo& dstInfo, const Options& opts) {
     const SkPMColor* colorPtr = get_color_ptr(fColorTable.get());
     const SkIRect* frameRect = fFrameIsSubset ? &fFrameRect : nullptr;
-    fSwizzler.reset(SkSwizzler::CreateSwizzler(SkSwizzler::kIndex, colorPtr, dstInfo, opts,
+    fSwizzler.reset(SkSwizzler::CreateSwizzler(this->getEncodedInfo(), colorPtr, dstInfo, opts,
             frameRect));
     SkASSERT(fSwizzler);
 }