Tweaking fling-to-delete to make the fade out animation longer and harder to trigger.

Change-Id: Ie444420d2cf81e209d4bbca9c77edaad39bda000
diff --git a/src/com/android/launcher2/DragController.java b/src/com/android/launcher2/DragController.java
index 2a1d65a..aec8940 100644
--- a/src/com/android/launcher2/DragController.java
+++ b/src/com/android/launcher2/DragController.java
@@ -63,7 +63,7 @@
     static final int SCROLL_RIGHT = 1;
 
     private static final float MAX_FLING_DEGREES = 35f;
-    private static final int FLING_TO_DELETE_THRESHOLD_Y_VELOCITY = -1400;
+    private static final int FLING_TO_DELETE_THRESHOLD_Y_VELOCITY = -1500;
 
     private Launcher mLauncher;
     private Handler mHandler;