[jdk25] RFR: 8361175: JFR: Document differences between method sample events

[Erik Gahlin]

8361175: JFR: Document differences between method sample events

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Commit messages:
 - Backport 63e08d4af7145b94048d565f4f80dae221090c19

Changes: https://git.openjdk.org/jdk/pull/26202/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26202&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8361175
  Stats: 12 lines in 2 files changed: 2 ins; 0 del; 10 mod
  Patch: https://git.openjdk.org/jdk/pull/26202.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26202/head:pull/26202

PR: https://git.openjdk.org/jdk/pull/26202