Revert of Revert of make gm background colors 565 compatible

gm/clipdrawdraw.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 namespace skiagm {
 
 // This GM exercises the use case found in crbug.com/423834.
 // The following pattern:
 //    save();
 //    clipRect(rect, noAA);
 //    drawRect(bigRect, noAA);
 //    restore();
 //
 //    drawRect(rect, noAA);
 // can leave 1 pixel wide remnants of the first rect.
 class ClipDrawDrawGM : public GM {
 public:
-    ClipDrawDrawGM() { this->setBGColor(0xFFCCCCCC); }
+    ClipDrawDrawGM() { this->setBGColor(sk_tool_utils::color_to_565(0xFFCCCCCC)); }
 
 protected:
     SkString onShortName() override { return SkString("clipdrawdraw"); }
 
     SkISize onISize() override { return SkISize::Make(512, 512); }
 
     static void Draw(SkCanvas* canvas, const SkRect& rect) {
         SkPaint p;
         p.setAntiAlias(false);
 
@@ skipping 26 matching lines @@
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return SkNEW(ClipDrawDrawGM);)
 
 }