Some jar tests start VMs without passing vmoptions from jtreg.
This fix pass jtreg's vmoptions and javaoptions to processes(java, jar, javac) started by tests.
webrev: http://cr.openjdk.java.net/~anazarov/8157850/webrev.01/ jbs: https://bugs.openjdk.java.net/browse/JDK-8157850 --Andrey
