git: openjdk/jfx: master: 8252446: Screen.getScreens() is empty sometimes

[Kevin Rushforth]

Changeset: 13ab2cbd
Author:    Kevin Rushforth <kcr at openjdk.org>
Date:      2020-09-16 19:00:52 +0000
URL:       https://git.openjdk.java.net/jfx/commit/13ab2cbd

8252446: Screen.getScreens() is empty sometimes

Reviewed-by: arapte, pbansal

! modules/javafx.graphics/src/main/java/javafx/stage/Screen.java
+ tests/system/src/test/java/test/javafx/stage/ScreenTest.java