hg: openjfx/jfx-dev/rt: 8197985: Pressing Shift + DOWN in ListView causes Exception to be thrown

[ambarish.rapte at oracle.com]

Changeset: e6fb2b3967be
Author:    fastegal
Date:      2018-08-02 18:54 +0530
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/e6fb2b3967be

8197985: Pressing Shift + DOWN in ListView causes Exception to be thrown
Reviewed-by: kcr, arapte
Contributed-by: fastegal at swingempire.de

! modules/javafx.controls/src/main/java/javafx/scene/control/MultipleSelectionModelBase.java
! modules/javafx.controls/src/test/java/test/javafx/scene/control/ListViewTest.java