Merge "Fix bug on DC#ensureActivitiesVisible" into main am: 7bb03ce9e5

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2658737

Change-Id: I82dd7bd706680ac074c642dc7336719d566a5461
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

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

@@ -6302,9 +6302,9 @@ class DisplayContent extends RootDisplayArea implements WindowManagerPolicy.Disp
             // Don't do recursive work.
             return;
         }
-        mInEnsureActivitiesVisible = true;
         mAtmService.mTaskSupervisor.beginActivityVisibilityUpdate();
         try {
+            mInEnsureActivitiesVisible = true;
             forAllRootTasks(rootTask -> {
                 rootTask.ensureActivitiesVisible(starting, configChanges, preserveWindows,
                         notifyClients);

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

@@ -1833,9 +1833,8 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
             // Don't do recursive work.
             return;
         }
-
+        mTaskSupervisor.beginActivityVisibilityUpdate();
         try {
-            mTaskSupervisor.beginActivityVisibilityUpdate();
             // First the front root tasks. In case any are not fullscreen and are in front of home.
             for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
                 final DisplayContent display = getChildAt(displayNdx);