Merge "Fix cold-lauch Activity Embeded apps flash black." into main am: b0f339a6 am: c8efeb58

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2971151



Change-Id: Idf9fc013dbeba4607403fbfe492ff4fc78fe19a0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

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

@@ -2254,6 +2254,11 @@ class WindowOrganizerController extends IWindowOrganizerController.Stub
         ownerTask.addChild(taskFragment, position);
         taskFragment.setWindowingMode(creationParams.getWindowingMode());
         if (!creationParams.getInitialRelativeBounds().isEmpty()) {
+            // The surface operations for the task fragment should sync with the transition.
+            // This avoid using pending transaction before collectExistenceChange is called.
+            if (transition != null) {
+                addToSyncSet(transition.getSyncId(), taskFragment);
+            }
             // Set relative bounds instead of using setBounds. This will avoid unnecessary update in
             // case the parent has resized since the last time parent info is sent to the organizer.
             taskFragment.setRelativeEmbeddedBounds(creationParams.getInitialRelativeBounds());