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/rrects.cpp b/gm/rrects.cpp
index 143fde3..2fbd3b9 100644
--- a/gm/rrects.cpp
+++ b/gm/rrects.cpp
@@ -6,7 +6,6 @@
  */
 
 #include "gm.h"
-#include "sk_tool_utils.h"
 #include "GrCaps.h"
 #include "GrContext.h"
 #include "GrRenderTargetContextPriv.h"
@@ -33,7 +32,7 @@
 protected:
 
     void onOnceBeforeDraw() override {
-        this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
+        this->setBGColor(0xFFDDDDDD);
         this->setUpRRects();
     }