[code-reflection] Integrated: Hat Linux fixes to new build

[Gary Frost]

Keeping linux in sync with latest changes

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

Commit messages:
 - Keeping linux in sync
 - Rookie mistake.  I had hardcoded my java path to execute under intellij

Changes: https://git.openjdk.org/babylon/pull/474/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=474&range=00
  Stats: 76 lines in 4 files changed: 57 ins; 4 del; 15 mod
  Patch: https://git.openjdk.org/babylon/pull/474.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/474/head:pull/474

PR: https://git.openjdk.org/babylon/pull/474