Unify Display level of window hierarchy (74/n)

Bug: 80414790
Bug: 144775502
Test: Existing tests pass
Change-Id: I041a64d001e09761b6c72dcc5acd3b6ca5b287c8
diff --git a/services/core/java/com/android/server/wm/DisplayWindowListenerController.java b/services/core/java/com/android/server/wm/DisplayWindowListenerController.java
index 2da76ea..78fea74 100644
--- a/services/core/java/com/android/server/wm/DisplayWindowListenerController.java
+++ b/services/core/java/com/android/server/wm/DisplayWindowListenerController.java
@@ -63,7 +63,7 @@
         mDisplayListeners.finishBroadcast();
     }
 
-    void dispatchDisplayChanged(ActivityDisplay display, Configuration newConfig) {
+    void dispatchDisplayChanged(DisplayContent display, Configuration newConfig) {
         // Only report changed if this has actually been added to the hierarchy already.
         boolean isInHierarchy = false;
         for (int i = 0; i < display.getParent().getChildCount(); ++i) {
@@ -78,7 +78,7 @@
         for (int i = 0; i < count; ++i) {
             try {
                 mDisplayListeners.getBroadcastItem(i).onDisplayConfigurationChanged(
-                        display.mDisplayId, newConfig);
+                        display.getDisplayId(), newConfig);
             } catch (RemoteException e) {
             }
         }