[lworld] Integrated: 8254026: [lworld] Execute compiler unit tests in random order by default

[Tobias Hartmann]

Execute compiler unit tests in random order because the order affects profiling. Functionality was added by
JDK-8252040. Now enabling by default after all bugs that were triggered have been fixed.

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Commit messages:
 - 8254026: [lworld] Execute compiler unit tests in random order by default

Changes: https://git.openjdk.java.net/valhalla/pull/211/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=211&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8254026
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/211.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/211/head:pull/211

PR: https://git.openjdk.java.net/valhalla/pull/211