[lworld] RFR: 8367608: [lworld] Update/reimplement valhalla benchmarks for JEP 401

[Sergey Kuksenko]

Update/reimplement valhalla benchmarks (org.openjdk.bench.valhalla.*) for JEP 401

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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