Add SkEncodedInfo to report properties of encoded image data

src/codec/SkRawCodec.cpp

Index: src/codec/SkRawCodec.cpp
diff --git a/src/codec/SkRawCodec.cpp b/src/codec/SkRawCodec.cpp
index 762e82364cd3a6dd27e7c6534f69f0d40d6c8eb4..c1a44eb32e5f110e39feaeb5c90484c13eadd2d3 100644
--- a/src/codec/SkRawCodec.cpp
+++ b/src/codec/SkRawCodec.cpp
@@ -515,8 +515,8 @@ public:
         }
     }
 
-    const SkImageInfo& getImageInfo() const {
-        return fImageInfo;
+    const SkEncodedInfo& getEncodedInfo() const {
+        return fEncodedInfo;
     }
 
     bool isScalable() const {
@@ -546,7 +546,8 @@ private:
     }
 
     void init(const int width, const int height, const dng_point& cfaPatternSize) {
-        fImageInfo = SkImageInfo::Make(width, height, kN32_SkColorType, kOpaque_SkAlphaType);
+        fEncodedInfo = SkEncodedInfo::Make(width, height, SkEncodedInfo::kRGB_Color,
+                SkEncodedInfo::kOpaque_Alpha, 8);
 
         // The DNG SDK scales only during demosaicing, so scaling is only possible when
         // a mosaic info is available.
@@ -616,7 +617,7 @@ private:
     SkAutoTDelete<dng_negative> fNegative;
     SkAutoTDelete<dng_stream> fDngStream;
 
-    SkImageInfo fImageInfo;
+    SkEncodedInfo fEncodedInfo;
     bool fIsScalable;
     bool fIsXtransImage;
 };
@@ -760,5 +761,5 @@ bool SkRawCodec::onDimensionsSupported(const SkISize& dim) {
 SkRawCodec::~SkRawCodec() {}
 
 SkRawCodec::SkRawCodec(SkDngImage* dngImage)
-    : INHERITED(dngImage->getImageInfo(), nullptr)
+    : INHERITED(dngImage->getEncodedInfo(), nullptr)
     , fDngImage(dngImage) {}