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

samplecode/SampleRotateCircles.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 "SampleCode.h"
 #include "SkView.h"
 #include "SkCanvas.h"
@@ skipping 20 matching lines @@
     // overrides from SkEventSink
     virtual bool onQuery(SkEvent* evt) {
         if (SampleCode::TitleQ(*evt)) {
             SampleCode::TitleR(evt, "RotateCircles");
             return true;
         }
         return this->INHERITED::onQuery(evt);
     }
 
     virtual void onDrawContent(SkCanvas* canvas) {
-        SkMWCRandom rand;
+        SkRandom rand;
         SkPaint paint;
         paint.setAntiAlias(true);
         paint.setStrokeWidth(20);
 
         SkScalar cx = 240;
         SkScalar cy = 240;
         SkScalar DX = 240 * 2;
         SkColor color = 0;
 
         float scale = 1;
@@ skipping 300 matching lines @@
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static SkView* F0() { return new RotateCirclesView; }
 static SkViewRegister gR0(F0);
 static SkView* F1() { return new TestCirclesView; }
 static SkViewRegister gR1(F1);
 static SkView* F2() { return new TestStrokeView; }
 static SkViewRegister gR2(F2);