Send ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED Broadcast when a user restriction has been changed.

Bug: 17916693
Change-Id: I6bca83ad6224ab6f1e4bdf41a10f514823c66755

services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java

@@ -4786,6 +4786,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
                     Slog.e(LOG_TAG, "Failed to talk to AudioService.", re);
                 }
             }
+            sendChangedNotification(userHandle);
         }
     }