Adjust workspace grid and cellLayout paddings.

This is a partial revert of ag/17540098

Bug: 202971709
Test: manual
Change-Id: Ia49e48f336bcca906aae6b014d88f10421b83d0c
diff --git a/res/values-land/dimens.xml b/res/values-land/dimens.xml
index 58aeda4..652a61c 100644
--- a/res/values-land/dimens.xml
+++ b/res/values-land/dimens.xml
@@ -22,8 +22,10 @@
     <dimen name="fastscroll_popup_text_size">24dp</dimen>
 
     <!-- Dynamic grid -->
+    <dimen name="dynamic_grid_edge_margin">15.28dp</dimen>
     <dimen name="dynamic_grid_icon_drawable_padding">4dp</dimen>
     <dimen name="dynamic_grid_drop_target_size">36dp</dimen>
+    <dimen name="cell_layout_padding">20dp</dimen>
 
     <!-- Hotseat -->
     <dimen name="dynamic_grid_hotseat_side_padding">16dp</dimen>