hg: jdk/sandbox: 8234484: Add ability to configure third port for remote JMX

[chris.hegarty at oracle.com]

Changeset: dff4792e3206
Author:    fyang
Date:      2020-01-15 16:00 +0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/dff4792e3206

8234484: Add ability to configure third port for remote JMX
Reviewed-by: dfuchs
Contributed-by: hedongbo at huawei.com

! src/jdk.management.agent/share/classes/jdk/internal/agent/AgentConfigurationError.java
! src/jdk.management.agent/share/classes/sun/management/jmxremote/ConnectorBootstrap.java
! src/jdk.management.agent/share/conf/management.properties