hg: jdk8u/jdk8u-dev/jdk: 8204142: AWT hang occurs when sequenced events arrive out of sequence in multiple AppContexts

[shade at redhat.com]

Changeset: 3a37ebd8c506
Author:    mbalao
Date:      2019-01-21 19:04 -0300
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/jdk/rev/3a37ebd8c506

8204142: AWT hang occurs when sequenced events arrive out of sequence in multiple AppContexts
Summary: Improvements on the synchronization of SequencedEvent events from different AppContexts
Reviewed-by: serb

! src/share/classes/java/awt/SequencedEvent.java
+ test/java/awt/event/SequencedEvent/MultipleContextsFunctionalTest.java
+ test/java/awt/event/SequencedEvent/MultipleContextsUnitTest.java