method createJavaProcessBuilder(boolean addTestVmOptions, String... command) starts "java" launcher without passing to it "test.java.opts" received from jtreg harness:
http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/file/51afac1c2c96/test/testlibrary/com/oracle/java/testlibrary/ProcessTools.java#l148
http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/file/51afac1c2c96/test/testlibrary/com/oracle/java/testlibrary/ProcessTools.java#l148