RFR: 8277806: 4 tools/jar failures per platform after JDK-8272728

[Lance Andersen]

HI all,

Attached is a patch for 4 failing MR tests due the issue that was resolved via JDK-8272728

Best
Lance

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Commit messages:
 - Fix for JDK-8272728

Changes: https://git.openjdk.java.net/jdk/pull/6546/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6546&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8277806
  Stats: 6 lines in 2 files changed: 0 ins; 4 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6546.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6546/head:pull/6546

PR: https://git.openjdk.java.net/jdk/pull/6546