git: openjdk/loom: fibers: adjust GetSetLocalTest to better ballance test execution time needed for checks

[duke]

Changeset: 9261d81b
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2022-02-24 22:20:02 +0000
URL:       https://git.openjdk.java.net/loom/commit/9261d81baa068fbd280a83fbf998c077c8103e45

adjust GetSetLocalTest to better ballance test execution time needed for checks

! test/hotspot/jtreg/serviceability/jvmti/vthread/GetSetLocalTest/GetSetLocalTest.java
! test/hotspot/jtreg/serviceability/jvmti/vthread/GetSetLocalTest/libGetSetLocalTest.cpp