hg: jdk/jdk: 8193838: Update jtreg requiredVersion to 4.2 b11 for JDK 11 and 12 support

[david.holmes at oracle.com]

Changeset: 63fb11c1550d
Author:    dholmes
Date:      2017-12-20 22:36 -0500
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/63fb11c1550d

8193838: Update jtreg requiredVersion to 4.2 b11 for JDK 11 and 12 support
Reviewed-by: alanb, sspitsyn

! make/conf/jib-profiles.js
! test/hotspot/jtreg/TEST.ROOT
! test/jaxp/TEST.ROOT
! test/jdk/TEST.ROOT
! test/langtools/TEST.ROOT
! test/nashorn/TEST.ROOT