[jdk21u-dev] RFR: Merge jdk21u:master

[Goetz Lindenmaier]

Merge build tag 21.0.2-ga from jdk21u to jdk21u-dev

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Commit messages:
 - Merge
 - Merge
 - 8322883: [BACKOUT] 8225377: type annotations are not visible to javac plugins across compilation boundaries
 - Merge
 - 8317547: Enhance TLS connection support
 - Merge
 - Merge
 - 8320001: javac crashes while adding type annotations to the return type of a constructor
 - Merge remote-tracking branch 'jdk21u/master' into jdk21.0.2
 - Merge remote-tracking branch 'jdk21u/master' into jdk21.0.2
 - ... and 33 more: https://git.openjdk.org/jdk21u-dev/compare/0ac1bb75...5fd5e0d7

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=188&range=00.0
 - jdk21u:master: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=188&range=00.1

Changes: https://git.openjdk.org/jdk21u-dev/pull/188/files
  Stats: 1571 lines in 27 files changed: 562 ins; 790 del; 219 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/188.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/188/head:pull/188

PR: https://git.openjdk.org/jdk21u-dev/pull/188