RFR: 8356080: Address post-integration comments for Stable Values

[Per Minborg]

This PR proposes to address comments in the initial PR for Stable Values, which were deferred until after integration.

Unfortunately, this PR shows the total commit history for stable values.

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Commit messages:
 - Merge branch 'master' into jep502-followup
 - Update src/java.base/share/classes/java/lang/StableValue.java
 - Simplify furhter
 - Address comments in PR
 - Merge master
 - Remove unused method and add comment
 - Address comments
 - Merge branch 'master' into jep502-followup
 - Update link in docs
 - Remove forgotten line
 - ... and 372 more: https://git.openjdk.org/jdk/compare/1501a5e4...116ce16c

Changes: https://git.openjdk.org/jdk/pull/25004/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25004&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8356080
  Stats: 328 lines in 13 files changed: 211 ins; 46 del; 71 mod
  Patch: https://git.openjdk.org/jdk/pull/25004.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25004/head:pull/25004

PR: https://git.openjdk.org/jdk/pull/25004