squeeze a few more bits of randomness into /dev/random

Change-Id: Ida30c33985411f353c828b43ea26ca1b7e6502af
diff --git a/services/java/com/android/server/EntropyService.java b/services/java/com/android/server/EntropyService.java
index 81ae26f..0f1fc78 100644
--- a/services/java/com/android/server/EntropyService.java
+++ b/services/java/com/android/server/EntropyService.java
@@ -139,6 +139,7 @@
             out.println(SystemProperties.get("ro.bootloader"));
             out.println(SystemProperties.get("ro.hardware"));
             out.println(SystemProperties.get("ro.revision"));
+            out.println(new Object().hashCode());
             out.println(System.currentTimeMillis());
             out.println(System.nanoTime());
         } catch (IOException e) {