RFR: 8351565: Implement JEP 502: Stable Values (Preview) [v65]

[Per Minborg]

> Implement JEP 502.
> 
> The PR passes tier1-tier3 tests.

Per Minborg has updated the pull request incrementally with one additional commit since the last revision:

  Update src/java.base/share/classes/java/util/ImmutableCollections.java
  
  Co-authored-by: Jorn Vernee <JornVernee at users.noreply.github.com>

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Changes:
  - all: https://git.openjdk.org/jdk/pull/23972/files
  - new: https://git.openjdk.org/jdk/pull/23972/files/68e2aebf..f97235f9

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23972&range=64
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23972&range=63-64

  Stats: 3 lines in 1 file changed: 0 ins; 2 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/23972.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23972/head:pull/23972

PR: https://git.openjdk.org/jdk/pull/23972