Merge "Get the latest display info for overlay change" into tm-qpr-dev am: 3ad540478f am: f644bd8401

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19492302

Change-Id: Ia288aebe902a7cd468924a8bb74660dbec8e3070
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

services/core/java/com/android/server/wm/DisplayPolicy.java

@@ -1900,8 +1900,10 @@ public class DisplayPolicy {
     /**
      * Called when the resource overlays change.
      */
-    public void onOverlayChangedLw() {
+    void onOverlayChanged() {
         updateCurrentUserResources();
+        // Update the latest display size, cutout.
+        mDisplayContent.updateDisplayInfo();
         onConfigurationChanged();
         mSystemGestures.onConfigurationChanged();
     }

services/core/java/com/android/server/wm/WindowManagerService.java

@@ -7041,13 +7041,14 @@ public class WindowManagerService extends IWindowManager.Stub
     }
 
     public void onOverlayChanged() {
-        synchronized (mGlobalLock) {
-            mRoot.forAllDisplays(displayContent -> {
-                displayContent.getDisplayPolicy().onOverlayChangedLw();
-                displayContent.updateDisplayInfo();
-            });
-            requestTraversal();
-        }
+        // Post to display thread so it can get the latest display info.
+        mH.post(() -> {
+            synchronized (mGlobalLock) {
+                mAtmService.deferWindowLayout();
+                mRoot.forAllDisplays(dc -> dc.getDisplayPolicy().onOverlayChanged());
+                mAtmService.continueWindowLayout();
+            }
+        });
     }
 
     @Override