[8udev (backport)] Code Review Request For 8163302: Stage alwaysOnTop property not reset to false if permission is denied

[Chien Yang]

Hi Kevin,

Please review the proposed backport:

JIRA: https://bugs.openjdk.java.net/browse/JDK-8163302

Webrev: http://cr.openjdk.java.net/~ckyang/JDK-8163302/webrev.00/

Thanks,

- Chien