[lworld] RFR: 8296950: [lworld] AccessFlags should be specific to class file version [v2]

[Roger Riggs]

> Add java.lang.reflect.AccessFlag.maskToAccessFlags(mask, location, cffv) 
> that requests the flags for a specific class file version number.
> Update Class.accessFlags() to request the flags for the specific class file format version of the class file.
> Update class file format version tests to match.

Roger Riggs 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:

 - Update to include text describing access flags as may depend on class file version.
 - Merge branch 'lworld' into 8296950-access-flags-cffv
 - 8296950: [lworld] AccessFlags should be specific to class file version.
   Add java.lang.reflect.AccessFlag.maskToAccessFlags that requests the flags
   for a specific class file version number.

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Changes:
  - all: https://git.openjdk.org/valhalla/pull/808/files
  - new: https://git.openjdk.org/valhalla/pull/808/files/4a42ad33..41e0abc5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=808&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=808&range=00-01

  Stats: 213908 lines in 3224 files changed: 94443 ins; 93243 del; 26222 mod
  Patch: https://git.openjdk.org/valhalla/pull/808.diff
  Fetch: git fetch https://git.openjdk.org/valhalla pull/808/head:pull/808

PR: https://git.openjdk.org/valhalla/pull/808