Add color space xform support to SkJpegCodec (includes F16!)

src/core/SkOpts.h

Index: src/core/SkOpts.h
diff --git a/src/core/SkOpts.h b/src/core/SkOpts.h
index fc424e1473bd6a0566fbf4e2d1dba8561e77ca54..87489ee94e0902bcaf694de49a1035324aefbcc4 100644
--- a/src/core/SkOpts.h
+++ b/src/core/SkOpts.h
@@ -80,7 +80,16 @@ namespace SkOpts {
     extern void (*color_xform_RGB1_to_linear)(uint64_t* dst, const uint32_t* src, int len,
                                               const float* const srcTables[3],
                                               const float srcToDstMatrix[16]);
-
+    extern void (*color_xform_RGB1_to_2dot2_swaprb) (uint32_t* dst, const uint32_t* src, int len,
+                                                     const float* const srcTables[3],
+                                                     const float srcToDstMatrix[16]);
+    extern void (*color_xform_RGB1_to_srgb_swaprb)(uint32_t* dst, const uint32_t* src, int len,
+                                                   const float* const srcTables[3],
+                                                   const float srcToDstMatrix[16]);
+    extern void (*color_xform_RGB1_to_table_swaprb)(uint32_t* dst, const uint32_t* src, int len,
+                                                    const float* const srcTables[3],
+                                                    const float srcToDstMatrix[16],
+                                                    const uint8_t* const dstTables[3]);
 }
 
 #endif//SkOpts_DEFINED