RFR: 8275338: Add JFR events for notable serialization situations [v8]

[Raffaello Giulietti]

> Adds serialization misdeclaration events to JFR.

Raffaello Giulietti has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 11 additional commits since the last revision:

 - Merge branch 'master' into 8275338
 - Renamed an event field.
 - Minor changes.
 - Removed event kind.
   serialVersionUID must have type long.
   Test now base on keyword search in event message.
   Commented test classes about misdeclarations.
 - Changes according to reviewer's comments.
 - Better name for a label, corrected name of removed field.
 - Event enabled on profile.jfc but disabled on default.jfc.
 - Restrict accessibility of nested classes.
 - Make use of EventNames.
 - Merge branch 'master' into 8275338
 - ... and 1 more: https://git.openjdk.org/jdk/compare/6ea0f368...94fc01ba

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/17129/files
  - new: https://git.openjdk.org/jdk/pull/17129/files/0cab1c1b..94fc01ba

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=17129&range=07
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=17129&range=06-07

  Stats: 2512 lines in 172 files changed: 1722 ins; 321 del; 469 mod
  Patch: https://git.openjdk.org/jdk/pull/17129.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17129/head:pull/17129

PR: https://git.openjdk.org/jdk/pull/17129