Using same layout for drop-target bar in landscape and portrait

> Adding a tooltip on drag over when the text is not visible

Bug: 71709920
Change-Id: I1897a8dacd191fb1aeaec37f5d5c73c49517192a
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index f53fe79..a0aaca3 100644
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -49,8 +49,7 @@
 
 <!-- Drop target bar -->
     <dimen name="dynamic_grid_drop_target_size">48dp</dimen>
-    <dimen name="vert_drop_target_vertical_gap">20dp</dimen>
-    <dimen name="vert_drop_target_horizontal_gap">14dp</dimen>
+    <dimen name="drop_target_vertical_gap">20dp</dimen>
 
 <!-- App Widget resize frame -->
     <dimen name="widget_handle_margin">13dp</dimen>