RFR: 8345500: Timeout in jdk.jfr.api.consumer.streaming.TestJVMCrash

[Gerard Ziemski]

In this fix we add 1 second delay after we create a process.

On macOS we seem to be creating a process so quickly, that other threads need time to see it.

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Commit messages:
 - allow process to be visible by other threads

Changes: https://git.openjdk.org/jdk/pull/23163/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23163&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345500
  Stats: 11 lines in 1 file changed: 11 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/23163.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23163/head:pull/23163

PR: https://git.openjdk.org/jdk/pull/23163