Adding fling-to-delete.

- Also fixing issue where the drop target icon changes color slower than the text.

Change-Id: I0bfa59da5d202016342f1c3de419ebcafd81ff6f
diff --git a/res/values/config.xml b/res/values/config.xml
index 31ef18a..2a75af8 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -39,7 +39,7 @@
     <bool name="config_workspaceFadeAdjacentScreens">false</bool>
 
     <!-- The transition duration for the background of the drop targets -->
-    <integer name="config_dropTargetBgTransitionDuration">100</integer>
+    <integer name="config_dropTargetBgTransitionDuration">0</integer>
 
     <integer name="config_crosshairsFadeInTime">600</integer>