[jdk11u-dev] RFR: 8199290: [TESTBUG] sun.hotspot.WhiteBox$WhiteBoxPermission is not copied

[Joshua Cao]

Not a clean backport because JarBuilder.java does not exist in JDK11. Changes in ClassFileInstaller.java are clean.

This change fixes the repro in the JBS issue.

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Commit messages:
 - 8199290: [TESTBUG] sun.hotspot.WhiteBox$WhiteBoxPermission is not copied

Changes: https://git.openjdk.org/jdk11u-dev/pull/1432/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1432&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8199290
  Stats: 42 lines in 1 file changed: 33 ins; 0 del; 9 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1432.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1432/head:pull/1432

PR: https://git.openjdk.org/jdk11u-dev/pull/1432