Fixing a bug in the load function.

Change-Id: Ie5e72836dec7f77d42c8cb9afb8c3d5591ff35a7
diff --git a/graphics/java/android/renderscript/Matrix4f.java b/graphics/java/android/renderscript/Matrix4f.java
index 219d93b..144a9a3 100644
--- a/graphics/java/android/renderscript/Matrix4f.java
+++ b/graphics/java/android/renderscript/Matrix4f.java
@@ -71,7 +71,7 @@
     }
 
     public void load(Matrix4f src) {
-        System.arraycopy(mMat, 0, src.getArray(), 0, 16);
+        System.arraycopy(src.getArray(), 0, mMat, 0, mMat.length);
     }
 
     public void loadRotate(float rot, float x, float y, float z) {