Update/reimplement valhalla benchmarks (org.openjdk.bench.valhalla.*) for JEP 401
------------- Commit messages: - fix whitespaces - 8367608: [lworld] Update/reimplement valhalla benchmarks for JEP 401 Changes: https://git.openjdk.org/valhalla/pull/1586/files Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1586&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8367608 Stats: 55498 lines in 331 files changed: 20861 ins; 34556 del; 81 mod Patch: https://git.openjdk.org/valhalla/pull/1586.diff Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1586/head:pull/1586 PR: https://git.openjdk.org/valhalla/pull/1586
