Move shade split ratio to 50/50

Test: manual
Bug: 170856304
Change-Id: I48bdd57ec0a04361b2ab3d40739f3d5f7999d0b9
diff --git a/packages/SystemUI/res/layout/status_bar_expanded.xml b/packages/SystemUI/res/layout/status_bar_expanded.xml
index bbb6107..6b9b365 100644
--- a/packages/SystemUI/res/layout/status_bar_expanded.xml
+++ b/packages/SystemUI/res/layout/status_bar_expanded.xml
@@ -69,7 +69,7 @@
             android:id="@+id/qs_edge_guideline"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            systemui:layout_constraintGuide_percent="0.4"
+            systemui:layout_constraintGuide_percent="0.5"
             android:orientation="vertical"/>
 
         <com.android.systemui.statusbar.notification.stack.NotificationStackScrollLayout