Integrated: 8370213: Add sun/misc/SunMiscSignalTest.java to ProblemList

[David Holmes]

Trivial addition to reduce noise in our CI until the fix can be integrated.

Thanks

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Commit messages:
 - 8370213: Add sun/misc/SunMiscSignalTest.java to ProblemList

Changes: https://git.openjdk.org/jdk/pull/27890/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27890&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8370213
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/27890.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27890/head:pull/27890

PR: https://git.openjdk.org/jdk/pull/27890