Fix widget resizing (Which stopped working at some point)

-> Also, deferring empty screen removal until after the drop animation
   in order to reduce buggy transitions
-> Also fixing workspace layout on tablet

Change-Id: I1ae9fdaf592262f959424f321efa6df4298f85cc
diff --git a/res/layout-sw720dp/launcher.xml b/res/layout-sw720dp/launcher.xml
index 33fafea..dff3b26 100644
--- a/res/layout-sw720dp/launcher.xml
+++ b/res/layout-sw720dp/launcher.xml
@@ -57,6 +57,7 @@
             android:paddingEnd="@dimen/workspace_right_padding"
             android:paddingTop="@dimen/workspace_top_padding"
             android:paddingBottom="@dimen/workspace_bottom_padding"
+            android:layout_gravity="center"
             launcher:defaultScreen="@integer/config_workspaceDefaultScreen"
             launcher:cellCountX="@integer/cell_count_x"
             launcher:cellCountY="@integer/cell_count_y"