git: openjdk/loom: fibers: fix deadlock in test SuspendWithCurrentThread

[duke]

Changeset: c088b36d
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2021-04-01 01:05:58 +0000
URL:       https://git.openjdk.java.net/loom/commit/c088b36d

fix deadlock in test SuspendWithCurrentThread

! test/hotspot/jtreg/serviceability/jvmti/SuspendWithCurrentThread/SuspendWithCurrentThread.java
! test/hotspot/jtreg/serviceability/jvmti/SuspendWithCurrentThread/libSuspendWithCurrentThread.cpp