[lworld] RFR: 8351362: [lworld] Post-process @StrictInit annotation for testing [v4]

[Chen Liang]

> PR 4 in the series of strict removal. PR 3 is #1959. PR 5 is #1961.
> 
> Removes all remaining occurrences of `jdk.internal.vm.annotation.Strict` and `@Strict\b` regex in all `.java` files. They are migrated to the post-processor included in this PR that is similar to test/lib ClassFileInstaller. Note there are still occurrences in jasm/jcod files, but those won't matter.

Chen Liang has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 13 commits:

 - Merge branch 'lworld' of https://github.com/openjdk/valhalla into test/plain-strict
 - Merge branch 'test/remove-strict' into test/plain-strict
 - Merge branch 'lworld' of https://github.com/openjdk/valhalla into test/remove-strict
 - Merge branch 'lworld' of https://github.com/openjdk/valhalla into test/remove-strict
 - Migrate interal strict to processor anno
 - Redundancy in dummy source
 - Merge branch 'test/strict-out' into test/remove-strict
 - Spurious test removal, should be removed by hotspot change instead
 - Remove @Strict where @NullRestricted is present
 - Purge missed jdk internal annotation export
 - ... and 3 more: https://git.openjdk.org/valhalla/compare/fe2331d9...a515b520

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Changes: https://git.openjdk.org/valhalla/pull/1960/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1960&range=03
  Stats: 611 lines in 13 files changed: 544 ins; 7 del; 60 mod
  Patch: https://git.openjdk.org/valhalla/pull/1960.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1960/head:pull/1960

PR: https://git.openjdk.org/valhalla/pull/1960