hg: openjfx/jfx-dev/rt: 8092352: Skip dispatch if there are no handlers/filters

[kevin.rushforth at oracle.com]

Changeset: 1fb5d32ea90b
Author:    fastegal
Date:      2019-10-01 05:11 -0700
URL:       https://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/1fb5d32ea90b

8092352: Skip dispatch if there are no handlers/filters
Reviewed-by: kcr, arapte

! modules/javafx.base/src/main/java/com/sun/javafx/event/CompositeEventHandler.java
! modules/javafx.base/src/main/java/com/sun/javafx/event/EventHandlerManager.java
! modules/javafx.base/src/test/java/test/com/sun/javafx/event/CompositeEventHandlerTest.java
! modules/javafx.base/src/test/java/test/com/sun/javafx/event/EventHandlerManagerTest.java