[lworld] RFR: Merge jdk

[David Simms]

Merge jdk-16+2

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Commit messages:
 - No longer requires vm.opt.final.TieredCompilation
 - Logical merge fixes
 - Merge tag 'jdk-16+2' into lworld_merge_jdk_16_2
 - 8247593: Shenandoah: should not block pacing reporters
 - Merge
 - 8247526: [TESTBUG] runtime/cds/appcds/dynamicArchive tests failing with Graal
 - 8236539: Relative link tags in record javadoc don't resolve
 - 8152313: [javadoc] convert tool tests to doclet tests
 - 8246098: API for Class::permittedSubclasses should clarify if returned elements are ordered or not
 - 8211977: move testlibrary tests into one place
 - ... and 58 more: https://git.openjdk.java.net/valhalla/compare/cf4c01c0...1fb6f472

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - lworld: https://webrevs.openjdk.java.net/valhalla/90/webrev.00.0
 - jdk: https://webrevs.openjdk.java.net/valhalla/90/webrev.00.1

Changes: https://git.openjdk.java.net/valhalla/pull/90/files
  Stats: 5384 lines in 266 files changed: 3104 ins; 1731 del; 549 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/90.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/90/head:pull/90

PR: https://git.openjdk.java.net/valhalla/pull/90