[jdk11u-dev] RFR: 8257505: nsk/share/test/StressOptions stressTime is scaled in getter but not when printed

[Andrew Lu]

I backport this for parity with 11.0.23-oracle.

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Commit messages:
 - Backport 9de283b891d48326e957d7448c5de96fab3c8b9a

Changes: https://git.openjdk.org/jdk11u-dev/pull/2401/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2401&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8257505
  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2401.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2401/head:pull/2401

PR: https://git.openjdk.org/jdk11u-dev/pull/2401