[lworld] RFR: 8293448: [lworld] ClassAccessFlagsRawTest fail

[Roger Riggs]

Fix test of ClassAccessFlagsRawTest to verify ACC_IDENTITY when it is inserted based on the class file version being read.
ACC_IDENTITY is seen for all concrete classes and arrays of same.

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Commit messages:
 - Access flag test of raw flags will see ACC_IDENTITY instead of ACC_SUPER

Changes: https://git.openjdk.org/valhalla/pull/744/files
 Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=744&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8293448
  Stats: 9 lines in 2 files changed: 0 ins; 0 del; 9 mod
  Patch: https://git.openjdk.org/valhalla/pull/744.diff
  Fetch: git fetch https://git.openjdk.org/valhalla pull/744/head:pull/744

PR: https://git.openjdk.org/valhalla/pull/744