RFR: 8297978: Exclude vmTestbase/nsk/stress/except/except012.java until 8297977 is fixed

[Leonid Mesnik]

8297978: Exclude vmTestbase/nsk/stress/except/except012.java until 8297977 is fixed

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Commit messages:
 - fix

Changes: https://git.openjdk.org/jdk/pull/11466/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11466&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8297978
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/11466.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11466/head:pull/11466

PR: https://git.openjdk.org/jdk/pull/11466