code: public static AccessibilityNodeInfoCompat refreshNode(
          AccessibilityNodeInfoCompat node) {
          if (node == null) {
              return null;
          }
          AccessibilityNodeInfoCompat result = refreshFromChild(node);
          if (result == null) {
              result = refreshFromParent(node);
          }
          return result;
      }
docs: Returns a fresh copy of {@code node} with properties that are
  less likely to be stale.  Returns {@code null} if the node can't be
  found anymore.