Stop using mcc for custom workspace cling on sw600dp devices

Bug: 7203884
diff --git a/res/values/config.xml b/res/values/config.xml
index 8717f6a..2c691a4 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -78,6 +78,9 @@
     <integer name="cell_count_x">4</integer>
     <integer name="cell_count_y">4</integer>
 
+    <!-- Whether or not to use custom clings if a custom workspace layout is passed in -->
+    <bool name="config_useCustomClings">false</bool>
+
 <!-- Hotseat -->
     <bool name="hotseat_transpose_layout_with_orientation">true</bool>
     <integer name="hotseat_cell_count">5</integer>