[jdk20] RFR: 8299241: jdk/jfr/api/consumer/streaming/TestJVMCrash.java generates unnecessary core file

[Daniel D. Daugherty]

A trivial fix to keep jdk/jfr/api/consumer/streaming/TestJVMCrash.java from generating
an unnecessary core file.

Ran TestJVMCrash.java on 10 configs in Mach5: linux-aarch64, linux-aarch64-debug,
linux-x64, linux-x64-debug, macosx-aarch64, macosx-aarch64-debug, macosx-x64,
macosx-x64-debug, windows-x64, and windows-x64-debug. All 10 .jtr files reported:

    CreateCoredumpOnCrash turned off, no core file dumped

Also ran the open ":jdk_jfr" and closed JFR tests on all 10 platforms. No failures.

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Commit messages:
 - 8299241: jdk/jfr/api/consumer/streaming/TestJVMCrash.java generates unnecessary core file

Changes: https://git.openjdk.org/jdk20/pull/75/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk20&pr=75&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8299241
  Stats: 8 lines in 2 files changed: 5 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk20/pull/75.diff
  Fetch: git fetch https://git.openjdk.org/jdk20 pull/75/head:pull/75

PR: https://git.openjdk.org/jdk20/pull/75