Revert of Revert of make gm background colors 565 compatible

gm/filterfastbounds.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"
 #include "SkBitmapSource.h"
 #include "SkBlurImageFilter.h"
@@ skipping 132 matching lines @@
 
         add_paint(oif, paints);
     }
 }
 
 // This GM visualizes the fast bounds for various combinations of geometry
 // and image filter
 class ImageFilterFastBoundGM : public GM {
 public:
     ImageFilterFastBoundGM() {
-        this->setBGColor(0xFFCCCCCC);
+        this->setBGColor(sk_tool_utils::color_to_565(0xFFCCCCCC));
     }
 
 protected:
     static const int kTileWidth = 100;
     static const int kTileHeight = 100;
     static const int kNumVertTiles = 6;
     static const int kNumXtraCols = 2;
 
     SkString onShortName() override{ return SkString("filterfastbounds"); }
 
@@ skipping 153 matching lines @@
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return SkNEW(ImageFilterFastBoundGM);)
 
 }