Ignore virtual presentation windows - RESTRICT AUTOMERGE

Windows of TYPE_PRESENTATION on virtual displays should not be counted
as visible windows to determine if BAL is allowed.

Test: manual test, atest BackgroundActivityLaunchTest
Bug: 264029851, 205130886
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:4c40b187cd5277c27d20758c675865bf89180c7a)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:5bf9607bec3f1224158cfcff7dd91ac558b46c0f)
Merged-In: I08b16ba1c155e951286ddc22019180cbd6334dfa
Change-Id: I08b16ba1c155e951286ddc22019180cbd6334dfa

Author: Achim Thesmann

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

@@ -3596,12 +3596,20 @@ void onSurfaceShownChanged(boolean shown) {
         // apps won't always be considered as foreground state.
         // Exclude private presentations as they can only be shown on private virtual displays and
         // shouldn't be the cause of an app be considered foreground.
-        if (mAttrs.type >= FIRST_SYSTEM_WINDOW && mAttrs.type != TYPE_TOAST
-                && mAttrs.type != TYPE_PRIVATE_PRESENTATION) {
+        // Exclude presentations on virtual displays as they are not actually visible.
+        if (mAttrs.type >= FIRST_SYSTEM_WINDOW
+                && mAttrs.type != TYPE_TOAST
+                && mAttrs.type != TYPE_PRIVATE_PRESENTATION
+                && !(mAttrs.type == TYPE_PRESENTATION && isOnVirtualDisplay())
+        ) {
             mWmService.mAtmService.mActiveUids.onNonAppSurfaceVisibilityChanged(mOwnerUid, shown);
         }
     }
 
+    private boolean isOnVirtualDisplay() {
+        return getDisplayContent().mDisplay.getType() == Display.TYPE_VIRTUAL;
+    }
+
     private void logExclusionRestrictions(int side) {
         if (!logsGestureExclusionRestrictions(this)
                 || SystemClock.uptimeMillis() < mLastExclusionLogUptimeMillis[side]