Set header views to an initial state.

Fixes bug on first boot when security=none.

Change-Id: I5f85d3b6f7207f0aea595366c79f5dce892b477c
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java
index 2305445..36b063b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarHeaderView.java
@@ -86,6 +86,7 @@
                 (ImageView) findViewById(R.id.brightness_icon),
                 (ToggleSlider) findViewById(R.id.brightness_slider));
         loadDimens();
+        updateVisibilities();
     }
 
     private void loadDimens() {