hg: jdk/sandbox: 8249550: jdb should use loopback address when not using remote agent

[chris.hegarty at oracle.com]

Changeset: 17b33745db34
Author:    amenkov
Date:      2020-08-06 15:59 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/17b33745db34

8249550: jdb should use loopback address when not using remote agent
Reviewed-by: cjplummer, sspitsyn

! src/jdk.jdi/share/classes/com/sun/tools/jdi/SocketTransportService.java