hg: openjfx/9-dev/rt: 8156078: Stage alwaysOnTop property not reset to false if permission is denied

[chien.yang at oracle.com]

Changeset: c46f3715c611
Author:    ckyang
Date:      2016-08-05 10:08 -0700
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/c46f3715c611

8156078: Stage alwaysOnTop property not reset to false if permission is denied
Reviewed-by: kcr

! modules/javafx.graphics/src/main/java/com/sun/javafx/tk/quantum/WindowStage.java
! tests/system/src/test/java/test/robot/helloworld/CustomSecurityManagerTest.java