[lworld] RFR: 8303137: [lworld] Fix ArchivedEnumTest fail caused by changed Enum static field

[Roger Riggs]

Removed private static field in j.l.reflect.AccesFlag that CDS could not archive.
Replaced with inline expression.

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Commit messages:
 - 8303137: [lworld] Fix ArchivedEnumTest fail caused by changed Enum static field

Changes: https://git.openjdk.org/valhalla/pull/827/files
 Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=827&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8303137
  Stats: 8 lines in 1 file changed: 1 ins; 4 del; 3 mod
  Patch: https://git.openjdk.org/valhalla/pull/827.diff
  Fetch: git fetch https://git.openjdk.org/valhalla pull/827/head:pull/827

PR: https://git.openjdk.org/valhalla/pull/827