don't adapt any gray colors to 565

Adapting gray to 565 will add a noticeable purple/green tint.
I'd rather only the 565 images in Gold were tainted with that.

Change-Id: Ib09e92b2f78c6de086345124e9eefeb31bbb5fa8
Reviewed-on: https://skia-review.googlesource.com/147422
Commit-Queue: Mike Klein <mtklein@google.com>
Auto-Submit: Mike Klein <mtklein@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/gm/bigblurs.cpp b/gm/bigblurs.cpp
index 83f6bd4..0a753dd 100644
--- a/gm/bigblurs.cpp
+++ b/gm/bigblurs.cpp
@@ -6,7 +6,6 @@
  */
 
 #include "gm.h"
-#include "sk_tool_utils.h"
 #include "SkBlurMask.h"
 #include "SkMaskFilter.h"
 #include "SkPath.h"
@@ -20,7 +19,7 @@
 class BigBlursGM : public GM {
 public:
     BigBlursGM() {
-        this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
+        this->setBGColor(0xFFDDDDDD);
     }
 
 protected: