hg: jigsaw/jake: requires jtreg 4.2 b04

[mandy . chung]

Changeset: 51f97296402c
Author:    mchung
Date:      2016-11-28 21:43 -0800
URL:       http://hg.openjdk.java.net/jigsaw/jake/rev/51f97296402c

requires jtreg 4.2 b04

! common/conf/jib-profiles.js