[lworld] RFR: 8375339: [lworld] JNI GetObjectField and SetObjectField should log accesses to strict fields

[Frederic Parain]

JNI GetObjectField and SetObjectField don't enforce strict fields semantic, but they could optionally log messages when strict fields accessed in order to help debugging.

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Commit messages:
 - Add logging for strict fields accesses

Changes: https://git.openjdk.org/valhalla/pull/2182/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2182&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8375339
  Stats: 74 lines in 3 files changed: 52 ins; 13 del; 9 mod
  Patch: https://git.openjdk.org/valhalla/pull/2182.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2182/head:pull/2182

PR: https://git.openjdk.org/valhalla/pull/2182