Fix memory leaks in system_server
unlink DeathRecipients in a whole bunch of places to avoid memory leaks
diff --git a/services/java/com/android/server/PowerManagerService.java b/services/java/com/android/server/PowerManagerService.java
index c5ea5fa9..79d78ad1 100644
--- a/services/java/com/android/server/PowerManagerService.java
+++ b/services/java/com/android/server/PowerManagerService.java
@@ -709,7 +709,10 @@
                     p.awakeOnSet = true;
                 }
             } else {
-                mPokeLocks.remove(token);
+                PokeLock rLock = mPokeLocks.remove(token);
+                if (rLock != null) {
+                    token.unlinkToDeath(rLock, 0);
+                }
             }
 
             int oldPokey = mPokey;