RFR: 8346875: Test jdk/jdk/jfr/event/os/TestCPULoad.java fails on macOS

[Matthias Baesken]

The test fails on some new Mac instances (macOS 14.5 (macOS aarch64) , CPU Apple M2) with :
java.lang.AssertionError: Expected at least one event
at jdk.jfr.event.os.TestCPULoad.main(TestCPULoad.java:62)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:565)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.Thread.run(Thread.java:1447)

The current sleep value seems to be a bit too slow for those machines.  The issues occured (mostly) with fastdebug binaries.

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Commit messages:
 - JDK-8346875

Changes: https://git.openjdk.org/jdk/pull/23136/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23136&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8346875
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/23136.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23136/head:pull/23136

PR: https://git.openjdk.org/jdk/pull/23136