RFR: 8313562: hsperfdata should export module path and "launcher" metadata

[Larry Cable]

hsperfdata should expose module metadata if available.

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Commit messages:
 - 8318562: hsperfdata should export module path and launcher metadata

Changes: https://git.openjdk.org/jdk/pull/19287/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19287&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8313562
  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/19287.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19287/head:pull/19287

PR: https://git.openjdk.org/jdk/pull/19287