Add glyph rerasterization hack for SystemUI.

Change-Id: I39d84e981b828b501801349d7a5e70a089b5f14e
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java
index c22b8c2..ee7206f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java
@@ -41,7 +41,7 @@
 
     /** When a child is activated, the other cards' alpha fade to this value. */
     private static final float ACTIVATED_INVERSE_ALPHA = 0.9f;
-    private static final float DIMMED_SCALE = 0.95f;
+    public static final float DIMMED_SCALE = 0.95f;
 
     private int mPaddingBetweenElements;
     private int mCollapsedSize;