overlay: SystemUI: fix default quick qs tile number

google renamed the resource

Change-Id: Ic4ef6dcd87e840099d27ee072683436626abc06b
diff --git a/overlay/common/frameworks/base/packages/SystemUI/res/values/config.xml b/overlay/common/frameworks/base/packages/SystemUI/res/values/config.xml
index 0ca0730..ebec303 100644
--- a/overlay/common/frameworks/base/packages/SystemUI/res/values/config.xml
+++ b/overlay/common/frameworks/base/packages/SystemUI/res/values/config.xml
@@ -38,7 +38,7 @@
     <bool name="always_show_screenshot_dismiss_button">true</bool>
 
     <!-- The maximum number of tiles in the QuickQSPanel -->
-    <integer name="quick_qs_panel_max_columns">2</integer>
+    <integer name="quick_qs_panel_max_tiles">2</integer>
 
     <!-- Charging ripple -->
     <bool name="flag_charging_ripple">true</bool>