Minor changes to help address some hiccups when panning, changing tabs and rotating in AppsCustomize.

- Also removing references to old all-apps 2d/3d

Change-Id: Ibe07ad8b4facc5c57b3c82ccf0b55260be61a31b
diff --git a/src/com/android/launcher2/CellLayout.java b/src/com/android/launcher2/CellLayout.java
index b41972a..52b59f1 100644
--- a/src/com/android/launcher2/CellLayout.java
+++ b/src/com/android/launcher2/CellLayout.java
@@ -103,7 +103,7 @@
 
     // These arrays are used to implement the drag visualization on x-large screens.
     // They are used as circular arrays, indexed by mDragOutlineCurrent.
-    private Point[] mDragOutlines = new Point[8];
+    private Point[] mDragOutlines = new Point[4];
     private float[] mDragOutlineAlphas = new float[mDragOutlines.length];
     private InterruptibleInOutAnimator[] mDragOutlineAnims =
             new InterruptibleInOutAnimator[mDragOutlines.length];