[jdk17u-dev] RFR: 8309138: Fix container tests for jdks with symlinked conf dir

Wed Jun 7 00:12:11 UTC 2023

This backport fixing container tests for jdk with symlinked conf dir (such as fedora/rhel packages). Clean, only affects tests.

Testing:
tier1: OK
containers and jdk/internal/platform: [OK](https://github.com/zzambers/jdk-tester/actions/runs/5193578179/jobs/9364294811)

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Commit messages:
 - Backport ec55539534d43629c1a47407a8e2e94913034a71

Changes: https://git.openjdk.org/jdk17u-dev/pull/1417/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1417&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8309138
  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1417.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1417/head:pull/1417

PR: https://git.openjdk.org/jdk17u-dev/pull/1417