git: openjdk/loom: fibers: fix intermittent issue in test serviceability/jvmti/thread/GetFrameCount/framecnt01

[duke]

Changeset: 577e91ea
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2021-12-24 01:26:54 +0000
URL:       https://git.openjdk.java.net/loom/commit/577e91ead21fbeb810996a912dd46c0ec4a0ce6f

fix intermittent issue in test serviceability/jvmti/thread/GetFrameCount/framecnt01

! test/hotspot/jtreg/serviceability/jvmti/thread/GetFrameCount/framecnt01/framecnt01.java
! test/hotspot/jtreg/serviceability/jvmti/thread/GetFrameCount/framecnt01/libframecnt01.cpp