RFR: 8351654: Agent transformer bytecodes should be verified

[Coleen Phillimore]

This change enables verification for classes provided with the JVMTI ClassFileLoadHook.  The test was adapted from the one sent by the submitter @rjernst.
Tested with tier1-4.

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Commit messages:
 - 8351654: Agent transformer bytecodes should be verified

Changes: https://git.openjdk.org/jdk/pull/24333/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24333&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8351654
  Stats: 305 lines in 7 files changed: 296 ins; 0 del; 9 mod
  Patch: https://git.openjdk.org/jdk/pull/24333.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24333/head:pull/24333

PR: https://git.openjdk.org/jdk/pull/24333