Revert of Add SkEncodedInfo to report properties of encoded image data

src/codec/SkJpegDecoderMgr.h

Index: src/codec/SkJpegDecoderMgr.h
diff --git a/src/codec/SkJpegDecoderMgr.h b/src/codec/SkJpegDecoderMgr.h
index a5078bb2d3085a09134e2ac7c5221ba8cf9023dd..e1127bad347064f6d04864bdc8a81227a8b8509f 100644
--- a/src/codec/SkJpegDecoderMgr.h
+++ b/src/codec/SkJpegDecoderMgr.h
@@ -43,10 +43,9 @@
     void  init();
 
     /*
-     * Returns the encoded color type of the jpeg, or kUnknown if the
-     * color type can't be determined
+     * Recommend a color type based on the encoded format
      */
-    SkEncodedInfo::Color getEncodedColor();
+    SkColorType getColorType();
 
     /*
      * Free memory used by the decode manager