[lworld] Integrated: 8334336: [lworld] map locationToFlags in j.l.r.AccessFlag is being added value classes related flags even if preview features are not enabled

[Vicente Romero]

some valhalla related access flags were being added to AccessFlags::locationToFlags without checking if preview features were enabled or not

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Commit messages:
 - 8334336: [lworld] map locationToFlags in j.l.r.AccessFlag is being added value classes related flags even if preview features are not enabled

Changes: https://git.openjdk.org/valhalla/pull/1137/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1137&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8334336
  Stats: 25 lines in 3 files changed: 16 ins; 3 del; 6 mod
  Patch: https://git.openjdk.org/valhalla/pull/1137.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1137/head:pull/1137

PR: https://git.openjdk.org/valhalla/pull/1137