Revert of make gm background colors 565 compatible

gm/pathinterior.cpp

 /*
  * Copyright 2012 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"
 #include "SkCanvas.h"
 #include "SkGraphics.h"
 #include "SkRandom.h"
 #include "SkLayerDrawLooper.h"
 #include "SkBlurMaskFilter.h"
 
 static SkRect inset(const SkRect& r) {
     SkRect rect = r;
     rect.inset(r.width() / 8, r.height() / 8);
     return rect;
 }
 
 class PathInteriorGM : public skiagm::GM {
 public:
     PathInteriorGM() {
-        this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
+        this->setBGColor(0xFFDDDDDD);
     }
 
 protected:
     SkISize onISize() override {
         return SkISize::Make(770, 770);
     }
 
     SkString onShortName() override {
         return SkString("pathinterior");
     }
@@ skipping 69 matching lines @@
 
 private:
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static skiagm::GM* MyFactory(void*) { return new PathInteriorGM; }
 static skiagm::GMRegistry reg(MyFactory);