Integrated: 8340956: ProblemList 4 java/nio/channels/DatagramChannel tests on macosx-all

[Daniel D. Daugherty]

A trivial fix to ProblemList 4 java/nio/channels/DatagramChannel tests on macosx-all.

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Commit messages:
 - 8340956: ProblemList 4 java/nio/channels/DatagramChannel tests on macosx-all

Changes: https://git.openjdk.org/jdk/pull/21188/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21188&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8340956
  Stats: 4 lines in 1 file changed: 3 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/21188.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21188/head:pull/21188

PR: https://git.openjdk.org/jdk/pull/21188