Fixed the appearing of the statusbar icons

The statusbar icons are now correctly appearing
in case there are no notifications instead of just
jumping.

This also fixed the general case, where the icons wouldn't
fade correctly in landscape

Change-Id: I38c6970b7663a8654a27555c2230e68de81a6da8
Test: observe fading of statusbar icons with and without notifications
Bug: 33652489
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/AmbientState.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/AmbientState.java
index e1ff297..fe83dc4 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/AmbientState.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/AmbientState.java
@@ -58,6 +58,7 @@
     private float mExpandingVelocity;
     private boolean mPanelTracking;
     private boolean mExpansionChanging;
+    private boolean mPanelFullWidth;
 
     public AmbientState(Context context) {
         reload(context);
@@ -287,4 +288,12 @@
     public boolean isPanelTracking() {
         return mPanelTracking;
     }
+
+    public boolean isPanelFullWidth() {
+        return mPanelFullWidth;
+    }
+
+    public void setPanelFullWidth(boolean panelFullWidth) {
+        mPanelFullWidth = panelFullWidth;
+    }
 }