Expose invisible windows from WindowInfosListenerForTest

This is useful for tests that adds an transparent overlay and wait for
its readiness.

Bug: 226803477
Test: CtsWindowManagerDeviceTestCases:SurfaceControlViewHostTests CtsWindowManagerDeviceTestCases:WindowInputTests
Change-Id: I59ede5a38b729c756abc32fd682ef2d132098533
diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index ae63816..5f2387ae 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -4156,6 +4156,7 @@
   public static class WindowInfosListenerForTest.WindowInfo {
     field @NonNull public final android.graphics.Rect bounds;
     field public final boolean isTrustedOverlay;
+    field public final boolean isVisible;
     field @NonNull public final String name;
     field @NonNull public final android.os.IBinder windowToken;
   }
diff --git a/core/java/android/window/WindowInfosListenerForTest.java b/core/java/android/window/WindowInfosListenerForTest.java
index 01e577f..cfbeeff 100644
--- a/core/java/android/window/WindowInfosListenerForTest.java
+++ b/core/java/android/window/WindowInfosListenerForTest.java
@@ -68,12 +68,18 @@
          */
         public final boolean isTrustedOverlay;
 
+        /**
+         * True if the window is visible.
+         */
+        public final boolean isVisible;
+
         WindowInfo(@NonNull IBinder windowToken, @NonNull String name, @NonNull Rect bounds,
                 int inputConfig) {
             this.windowToken = windowToken;
             this.name = name;
             this.bounds = bounds;
             this.isTrustedOverlay = (inputConfig & InputConfig.TRUSTED_OVERLAY) != 0;
+            this.isVisible = (inputConfig & InputConfig.NOT_VISIBLE) == 0;
         }
     }
 
@@ -131,9 +137,6 @@
     private static List<WindowInfo> buildWindowInfos(InputWindowHandle[] windowHandles) {
         var windowInfos = new ArrayList<WindowInfo>(windowHandles.length);
         for (var handle : windowHandles) {
-            if ((handle.inputConfig & InputConfig.NOT_VISIBLE) != 0) {
-                continue;
-            }
             var bounds = new Rect(handle.frameLeft, handle.frameTop, handle.frameRight,
                     handle.frameBottom);
             windowInfos.add(new WindowInfo(handle.getWindowToken(), handle.name, bounds,