Change old PRG to be SkLCGRandom; change new one to SkRandom

gm/arcofzorro.cpp

 /*
  * Copyright 2013 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 "SkRandom.h"
 
@@ skipping 11 matching lines @@
 protected:
     virtual SkString onShortName() SK_OVERRIDE {
         return SkString("arcofzorro");
     }
 
     virtual SkISize onISize() SK_OVERRIDE {
         return make_isize(1000, 1000);
     }
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
-        SkMWCRandom rand;
+        SkRandom rand;
 
         SkRect rect = SkRect::MakeXYWH(10, 10, 200, 200);
 
         SkPaint p;
 
         p.setStyle(SkPaint::kStroke_Style);
         p.setStrokeWidth(35);
         int xOffset = 0, yOffset = 0;
         int direction = 0;
 
@@ skipping 31 matching lines @@
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return SkNEW(ArcOfZorroGM); )
 
 }