Integrated: 8291289: gc/TestPLABAdaptToMinTLABSize fails after JDK-8289137

[Thomas Schatzl]

Hi all,

  can I get reviews for this change to the gc/TestPLABAdaptToMinTLABSize test to only let Parallel GC and G1 run the test as they are the only ones that use `Young/OldPLABSize` that is tested here?
The constraint function for these flags on other collectors always succeeds, so the failure tests with invalid options fail there.

Testing: local testing of all collectors, only Parallel and G1 succesfully complete them now

Thanks,
  Thomas

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Commit messages:
 - Only execute test on parallel and g1

Changes: https://git.openjdk.org/jdk/pull/9654/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9654&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8291289
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/9654.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9654/head:pull/9654

PR: https://git.openjdk.org/jdk/pull/9654