load entropy data at boot.  Periodically write entropy data to disk.
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index f6c1525..3e4d5f9 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -97,6 +97,9 @@
 
         // Critical services...
         try {
+            Log.i(TAG, "Starting Entropy Service.");
+            ServiceManager.addService("entropy", new EntropyService());
+
             Log.i(TAG, "Starting Power Manager.");
             power = new PowerManagerService();
             ServiceManager.addService(Context.POWER_SERVICE, power);