hg: jdk/submit: 8247741: Test test/hotspot/jtreg/runtime/7162488/TestUnrecognizedVmOption.java fails when -XX:+IgnoreUnrecognizedVMOptions is set

[harold.seigel at oracle.com]

Changeset: 7ae76f409f09
Author:    hseigel
Date:      2020-07-01 18:42 +0000
URL:       https://hg.openjdk.java.net/jdk/submit/rev/7ae76f409f09

8247741: Test test/hotspot/jtreg/runtime/7162488/TestUnrecognizedVmOption.java fails when -XX:+IgnoreUnrecognizedVMOptions is set
Summary: Use createJavaProcessBuilder() to prevent JTreg flags from being passed to the new process created by the test
Reviewed-by: lfoltan, dholmes

! test/hotspot/jtreg/runtime/7162488/TestUnrecognizedVmOption.java