[jdk17u-dev] RFR: 8258512: serviceability/sa/TestJmapCore.java timed out on macOS 10.13.6

[Goetz Lindenmaier]

I backport this for parity with 17.0.7-oracle.

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Commit messages:
 - Backport 19ce33d5e770dc3fd7a9588e7954bbb499b7a05c

Changes: https://git.openjdk.org/jdk17u-dev/pull/1012/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1012&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8258512
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1012.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/1012/head:pull/1012

PR: https://git.openjdk.org/jdk17u-dev/pull/1012