Calculator multiwindow support.

Bug: 27906424
Change-Id: I9b9bf40be9909ce5def5762e69a21dd1ff94075b
diff --git a/res/layout/activity_calculator_land.xml b/res/layout/activity_calculator_land.xml
index 1fe12db..5dd2c20 100644
--- a/res/layout/activity_calculator_land.xml
+++ b/res/layout/activity_calculator_land.xml
@@ -32,7 +32,7 @@
         android:layout_weight="1">
 
         <include layout="@layout/pad_numeric" />
-        <include layout="@layout/pad_operator_two_col" />
+        <include layout="@layout/pad_operator" />
         <include layout="@layout/pad_advanced" />
 
     </LinearLayout>