[jdk17u-dev] RFR: 8347826: Introspector shows wrong method list after 8071693

[Roman Marchenko]

This is backport of "8347826: Introspector shows wrong method list after 8071693"

The backport is almost clean, the only conflicts were in copyright year in 2 files.

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Commit messages:
 - Backport c5f235c000db6654493ea109008dbccf97f01678

Changes: https://git.openjdk.org/jdk17u-dev/pull/3618/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3618&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347826
  Stats: 455 lines in 4 files changed: 398 ins; 8 del; 49 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3618.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3618/head:pull/3618

PR: https://git.openjdk.org/jdk17u-dev/pull/3618