hg: bsd-port/jdk9/langtools: Initial BSD port

[glewis at eyesbeyond.com]

Changeset: 4c87c9299cee
Author:    Greg Lewis <glewis at eyesbeyond.com>
Date:      2017-10-07 13:02 -0700
URL:       http://hg.openjdk.java.net/bsd-port/jdk9/langtools/rev/4c87c9299cee

Initial BSD port