RFR: JDK-8327114: fix to resolve permissions issue as per: 8341246

[Larry Cable]

this is a fix to: https://bugs.openjdk.org/browse/JDK-8327114 

to resolve an issue detected in: 

https://bugs.openjdk.org/browse/JDK-8341246

sym link file accesses should be performed as "privileged" actions.

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Commit messages:
 - JDK-8327114: fix to resolve permissions issue as per: 8341246

Changes: https://git.openjdk.org/jdk/pull/21312/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21312&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8327114
  Stats: 18 lines in 1 file changed: 12 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/21312.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21312/head:pull/21312

PR: https://git.openjdk.org/jdk/pull/21312