[lworld] RFR: 8254891: [lworld] runtime/valhalla/inlinetypes/UnsafeTest.java fails with flattening disabled

[Harold Seigel]

Please review this small fix for test UnsafeTest.java.  The test depends on flattening being enable so this fix adds
options -XX:FlatArrayElementMaxSize=-1 -XX:InlineFieldMaxFlatSize=-1 to ensure flattening is enabled.

Thanks, Harold

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Commit messages:
 - 8254891: [lworld] runtime/valhalla/inlinetypes/UnsafeTest.java fails with flattening disabled

Changes: https://git.openjdk.java.net/valhalla/pull/226/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=226&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8254891
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/226.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/226/head:pull/226

PR: https://git.openjdk.java.net/valhalla/pull/226