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

gm/beziereffects.cpp

Index: gm/beziereffects.cpp
diff --git a/gm/beziereffects.cpp b/gm/beziereffects.cpp
index 2a63d738167aa3d33cafc6a08595ae9d3d9490fb..c33674caad726da9a3cd30f044e8a418fc164a5d 100644
--- a/gm/beziereffects.cpp
+++ b/gm/beziereffects.cpp
@@ -74,7 +74,7 @@ protected:
         };
 
         static const int kNumCubics = 15;
-        SkMWCRandom rand;
+        SkRandom rand;
 
         // Mult by 3 for each edge effect type
         int numCols = SkScalarCeilToInt(SkScalarSqrt(SkIntToScalar(kNumCubics*3)));
@@ -226,7 +226,7 @@ protected:
         };
 
         static const int kNumConics = 10;
-        SkMWCRandom rand;
+        SkRandom rand;
 
         // Mult by 3 for each edge effect type
         int numCols = SkScalarCeilToInt(SkScalarSqrt(SkIntToScalar(kNumConics*3)));
@@ -411,7 +411,7 @@ protected:
         };
 
         static const int kNumQuads = 5;
-        SkMWCRandom rand;
+        SkRandom rand;
 
         int numCols = SkScalarCeilToInt(SkScalarSqrt(SkIntToScalar(kNumQuads*3)));
         int numRows = SkScalarCeilToInt(SkIntToScalar(kNumQuads*3) / numCols);