Fade notifications when exiting dozing

Bug: 18146441
Change-Id: Ifa0cbb8157c65768c3a0c584166ca88c3016b730
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
index bf1e78e..ebc663c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/ExpandableView.java
@@ -39,6 +39,7 @@
     private int mActualHeight;
     protected int mClipTopAmount;
     private boolean mActualHeightInitialized;
+    private boolean mDark;
     private ArrayList<View> mMatchParentViews = new ArrayList<View>();
 
     public ExpandableView(Context context, AttributeSet attrs) {
@@ -185,8 +186,14 @@
      *
      * @param dark Whether the notification should be dark.
      * @param fade Whether an animation should be played to change the state.
+     * @param delay If fading, the delay of the animation.
      */
-    public void setDark(boolean dark, boolean fade) {
+    public void setDark(boolean dark, boolean fade, long delay) {
+        mDark = dark;
+    }
+
+    public boolean isDark() {
+        return mDark;
     }
 
     /**