hg: openjfx/8u/rt: 8088857: Menu slow to respond after resizing a window multiple times with animation running

[kevin.rushforth at oracle.com]

Changeset: 3559b994f363
Author:    flar
Date:      2017-01-05 13:15 -0800
URL:       http://hg.openjdk.java.net/openjfx/8u/rt/rev/3559b994f363

8088857: Menu slow to respond after resizing a window multiple times with animation running
Reviewed-by: kcr

! modules/graphics/src/main/java/com/sun/javafx/tk/quantum/QuantumToolkit.java