Animating the drag view scale up and down when dragging items.

Change-Id: Ic97d74a14964c6bdc23305b2d378b13a1f2e3664
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index fe0cb00..c4a66ac 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -110,6 +110,9 @@
      the drag view should be offset from the position of the original view. -->
     <dimen name="dragViewOffsetX">0dp</dimen>
     <dimen name="dragViewOffsetY">-8dp</dimen>
+    <!--  When dragging an item, how much bigger (fixed dps) the dragged view
+          should be. If 0, it will not be scaled at all. -->
+    <dimen name="dragViewScale">12dp</dimen>
 
     <!-- Padding applied to AppWidgets -->
     <dimen name="app_widget_preview_padding_left">8dp</dimen>