hg: jdk/client: 8152974: AWT hang occurrs when sequenced events arrive out of sequence

[manajit.halder at oracle.com]

Changeset: 719064f540f3
Author:    kaddepalli
Date:      2018-03-19 12:29 +0530
URL:       http://hg.openjdk.java.net/jdk/client/rev/719064f540f3

8152974: AWT hang occurrs when sequenced events arrive out of sequence
Reviewed-by: serb, prr, ssadetsky

! src/java.desktop/share/classes/java/awt/SequencedEvent.java
+ test/jdk/java/awt/event/SequencedEvent/SequencedEventTest.java