RFR: 8337987: Relocate jfr and throw_exception stubs from StubGenerator to SharedRuntime

[Andrew Dinn]

8337987: Relocate jfr and throw_exception stubs from StubGenerator to SharedRuntime

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Commit messages:
 - 8337987: Relocate jfr and throw_exception stubs from StubGenerator to SharedRuntime

Changes: https://git.openjdk.org/jdk/pull/20566/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20566&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8337987
  Stats: 2795 lines in 40 files changed: 1287 ins; 1458 del; 50 mod
  Patch: https://git.openjdk.org/jdk/pull/20566.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20566/head:pull/20566

PR: https://git.openjdk.org/jdk/pull/20566