Show screenshot and select in task menu

Hide screenshot and select from menu if thumbnail is null

Bug: 383662632
Flag: com.android.launcher3.enable_show_enabled_shortcuts_in_accessibility_menu
Test: OverviewMenuImageTest & manual. See bug.
Change-Id: Idf41de7e36b63f7bcc8639f5f3932a61e56ebfcd

quickstep/src/com/android/quickstep/views/RecentsView.java

@@ -1578,7 +1578,10 @@ public abstract class RecentsView<
                 == getPagedOrientationHandler().getPrimaryScroll(this);
     }
 
-    private boolean isFocusedTaskInExpectedScrollPosition() {
+    /**
+     * Returns true if the focused TaskView is in expected scroll position.
+     */
+    public boolean isFocusedTaskInExpectedScrollPosition() {
         TaskView focusedTask = getFocusedTaskView();
         return focusedTask != null && isTaskInExpectedScrollPosition(focusedTask);
     }