hg: code-tools/jtreg: update @modules support

[jonathan.gibbons at oracle.com]

Changeset: ea0c231f7561
Author:    jjg
Date:      2016-08-25 20:15 -0700
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/ea0c231f7561

update @modules support

! src/share/classes/com/sun/javatest/regtest/JDKOpts.java
! src/share/classes/com/sun/javatest/regtest/MainAction.java
! src/share/classes/com/sun/javatest/regtest/ModuleConfig.java