[lworld] RFR: 8366270: [lworld] Fix ClassFile AccessFlagsTest [v2]

[Chen Liang]

> When we read a class file and decode the access flag, we should use the class file's version to decode the flag, so we won't get spurious SUPER and IDENTITY mismatches.

Chen Liang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - Fix version parse bug, improve coverage
 - Merge branch 'lworld' of https://github.com/openjdk/valhalla into fix/accessflags-pass-cffv
 - 8366270

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Changes:
  - all: https://git.openjdk.org/valhalla/pull/2036/files
  - new: https://git.openjdk.org/valhalla/pull/2036/files/c3f92ae3..b4cfe1e4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=2036&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=2036&range=00-01

  Stats: 104 lines in 6 files changed: 37 ins; 15 del; 52 mod
  Patch: https://git.openjdk.org/valhalla/pull/2036.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2036/head:pull/2036

PR: https://git.openjdk.org/valhalla/pull/2036