[lworld] RFR: 8341802: Add test coverage for JVMTI function with value classes

[Alex Menkov]

Added sanity tests for JVMTI sunctions

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Commit messages:
 - JVMTI sanity tests

Changes: https://git.openjdk.org/valhalla/pull/1270/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1270&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8341802
  Stats: 959 lines in 10 files changed: 959 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/valhalla/pull/1270.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1270/head:pull/1270

PR: https://git.openjdk.org/valhalla/pull/1270