Adding overview mode for reordering, widget adding and wallpaper switching

Change-Id: I082ba0b90ca4b3fbba32e8dfdec8ba79486d841c
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 2bfb31c..13a15e3 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -50,6 +50,8 @@
     <dimen name="workspace_overscroll_drawable_padding">0dp</dimen>
     <dimen name="workspace_icon_text_size">12sp</dimen>
     <dimen name="workspace_spring_loaded_page_spacing">15dp</dimen>
+    <dimen name="overview_panel_bottom_padding">50dp</dimen>
+    <dimen name="overview_panel_buttonSpacing">40dp</dimen>
 
     <dimen name="app_icon_drawable_padding">6dp</dimen>
     <dimen name="app_icon_drawable_padding_land">2dp</dimen>