RFR: 8309702: Exclude java/lang/ScopedValue/StressStackOverflow.java from JTREG_TEST_THREAD_FACTORY=Virtual runs

[Alan Bateman]

This test moved from test/jdk/jdk/incubator/concurrent to test/jdk/java/lang as part of the JEP 446 integration so it is running in a lot more configurations now. It's unstable in some configurations, including JTREG_TEST_THREAD_FACTORY=Virtual runs. The implementation may need more @DontInline/@ReservedStackAccess foo, or the test needs to made more stable. Need to temporarily exclude to reduce noise until the implementation or test is fixed.

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Commit messages:
 - Initial commit

Changes: https://git.openjdk.org/jdk/pull/14388/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14388&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8309702
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/14388.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14388/head:pull/14388

PR: https://git.openjdk.org/jdk/pull/14388