hg: jdk9/client/jdk: 8021961: setAlwaysOnTop doesn't behave correctly in Linux/Solaris under certain scenarios

[semyon.sadetsky at oracle.com]

Changeset: 17b0a13291e9
Author:    ssadetsky
Date:      2016-03-15 09:18 +0300
URL:       http://hg.openjdk.java.net/jdk9/client/jdk/rev/17b0a13291e9

8021961: setAlwaysOnTop doesn't behave correctly in Linux/Solaris under certain scenarios
Reviewed-by: serb, azvegint

! src/java.desktop/unix/classes/sun/awt/X11/XWindowPeer.java
+ test/java/awt/Window/MultiWindowApp/ChildAlwaysOnTopTest.java