git: openjdk/jtharness: (regression tests) agent/RemoteTest updated to be compilable with JDK17

[Dmitry Bessonov]

Changeset: b833a02e
Author:    Dmitry Bessonov <dmitry.bessonov at oracle.com>
Date:      2021-06-28 20:54:24 +0000
URL:       https://git.openjdk.java.net/jtharness/commit/b833a02eb8d6e243ce61e2838ad3436d75ee8b68

(regression tests) agent/RemoteTest updated to be compilable with JDK17

! unit-tests/com/sun/javatest/agent/RemoteTest.java