make tests portable by using 565 compatible colors

gm/aaclip.cpp

 /*
  * Copyright 2011 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 "SkPath.h"
@@ skipping 207 matching lines @@
     }
     
     SkISize onISize() override {
         return SkISize::Make(400, 410);
     }
 
     void doDraw(SkCanvas* canvas, const SkPath& path) {
         SkPaint paint;
         paint.setAntiAlias(true);
         
-        paint.setColor(0xFFCCCCCC);
+        paint.setColor(sk_tool_utils::color_to_565(0xFFCCCCCC));
         canvas->drawPath(path, paint);
         
         paint.setColor(SK_ColorRED);
         paint.setStyle(SkPaint::kStroke_Style);
         canvas->drawPath(path, paint);
     }
 
     void drawAndClip(SkCanvas* canvas, const SkPath& path, SkScalar dx, SkScalar dy) {
         SkAutoCanvasRestore acr(canvas, true);
 
         SkRect r = SkRect::MakeXYWH(0, H/4, W, H/2);
         SkPaint paint;
-        paint.setColor(0xFF8888FF);
+        paint.setColor(sk_tool_utils::color_to_565(0xFF8888FF));
 
         canvas->drawRect(r, paint);
         this->doDraw(canvas, path);
         
         canvas->translate(dx, dy);
 
         canvas->drawRect(r, paint);
         canvas->clipRect(r);
         this->doDraw(canvas, path);
     }
 
     void onDraw(SkCanvas* canvas) override {
         canvas->translate(80, 10);
         this->drawAndClip(canvas, fVPath, 200, 0);
         canvas->translate(0, 200);
         this->drawAndClip(canvas, fHPath, 200, 0);
     }
     
 private:
     typedef skiagm::GM INHERITED;
 };
 DEF_GM( return SkNEW(ClipCubicGM); )