[jdk11u-dev] RFR: 8315936: Parallelize gc/stress/TestStressG1Humongous.java test

[Andrew Lu]

8315936: Parallelize gc/stress/TestStressG1Humongous.java test

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Commit messages:
 - Backport 3f19df685c342cef212305cca630331878a24e79

Changes: https://git.openjdk.org/jdk11u-dev/pull/2908/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2908&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8315936
  Stats: 45 lines in 1 file changed: 35 ins; 6 del; 4 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2908.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2908/head:pull/2908

PR: https://git.openjdk.org/jdk11u-dev/pull/2908