Send ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED Broadcast when a user restriction has been changed.

Bug: 17916693
Change-Id: I6bca83ad6224ab6f1e4bdf41a10f514823c66755
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index f8f20dc..d1e739f 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -4786,6 +4786,7 @@
                     Slog.e(LOG_TAG, "Failed to talk to AudioService.", re);
                 }
             }
+            sendChangedNotification(userHandle);
         }
     }