Fix typo that caused excessive display config updates

Applied incorrect configuration object while doing original
configuration refactoring.

Test: bit FrameworksServicesTests:com.android.server.wm.DisplayContentTests
Test: #testDisplayOverrideConfigUpdate
Change-Id: Ief5979feebb50f689b6cb532e1dba93e47dcbc40
diff --git a/services/core/java/com/android/server/wm/RootWindowContainer.java b/services/core/java/com/android/server/wm/RootWindowContainer.java
index dc06d12..06b508a 100644
--- a/services/core/java/com/android/server/wm/RootWindowContainer.java
+++ b/services/core/java/com/android/server/wm/RootWindowContainer.java
@@ -322,7 +322,7 @@
         if (!configChanged) {
             return null;
         }
-        displayContent.onOverrideConfigurationChanged(currentConfig);
+        displayContent.onOverrideConfigurationChanged(newConfiguration);
 
         if (displayId == DEFAULT_DISPLAY) {
             // Override configuration of the default display duplicates global config. In this case