hg: jdk9/hs/jdk: 8154144: Tests in com/sun/jdi fails intermittently with " jdb input stream closed prematurely"

[dmitry.samersoff at oracle.com]

Changeset: 73608cd4f89a
Author:    dsamersoff
Date:      2016-05-06 11:47 +0300
URL:       http://hg.openjdk.java.net/jdk9/hs/jdk/rev/73608cd4f89a

8154144: Tests in com/sun/jdi fails intermittently with "jdb input stream closed prematurely"
Summary: Don't print stream closed message during shutdown
Reviewed-by: dcubed, sla, dsamersoff
Contributed-by: sharath.ballal at oracle.com

! src/jdk.jdi/share/classes/com/sun/tools/example/debug/tty/EventHandler.java
! src/jdk.jdi/share/classes/com/sun/tools/example/debug/tty/TTY.java