[jdk17u-dev] RFR: 8266936: Add a finalization JFR event

[Jaroslav Bachorik]

Backport of https://github.com/openjdk/jdk/pull/4731

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Commit messages:
 - Backport 72a976ef05fc2c62657920a560a0abc60b27c852

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/351/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=351&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8266936
  Stats: 1912 lines in 35 files changed: 1374 ins; 405 del; 133 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/351.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/351/head:pull/351

PR: https://git.openjdk.java.net/jdk17u-dev/pull/351