git: openjdk/jdk-sandbox: parttimenerd_jfr_cpu_time_sampler4: Add Jaroslav's fix

[duke]

Changeset: a23f0fee
Branch: parttimenerd_jfr_cpu_time_sampler4
Author:    Johannes Bechberger <johannes.bechberger at sap.com>
Date:      2024-08-23 15:04:42 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/a23f0fee485082c3c04144316d02e83b835a4b6b

Add Jaroslav's fix

! src/hotspot/share/jfr/periodic/sampling/jfrCPUTimeThreadSampler.cpp