[jdk16] RFR: 8258832: ProblemList com/sun/jdi/AfterThreadDeathTest.java on Linux-X64

[Daniel D.Daugherty]

This is a trivial fix to ProblemList com/sun/jdi/AfterThreadDeathTest.java on Linux-X64.

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Commit messages:
 - 8258832: ProblemList com/sun/jdi/AfterThreadDeathTest.java on Linux-X64

Changes: https://git.openjdk.java.net/jdk16/pull/59/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk16&pr=59&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8258832
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk16/pull/59.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk16 pull/59/head:pull/59

PR: https://git.openjdk.java.net/jdk16/pull/59