git: openjdk/loom: fibers: renaming in two JVMTI tests: replace Fiber with VThread

[duke]

Changeset: 4aa525ef
Author:    lmesnik <leonid.mesnik at oracle.com>
Committer: Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2020-03-07 02:34:46 +0000
URL:       https://git.openjdk.java.net/loom/commit/4aa525ef

renaming in two JVMTI tests: replace Fiber with VThread

- test/hotspot/jtreg/serviceability/jvmti/vthread/FiberMonitorTest/FiberMonitorTest.java
- test/hotspot/jtreg/serviceability/jvmti/vthread/FiberMonitorTest/libFiberMonitorTest.c
- test/hotspot/jtreg/serviceability/jvmti/vthread/FiberTest/MyPackage/FiberTest.java
- test/hotspot/jtreg/serviceability/jvmti/vthread/FiberTest/libFiberTest.c
+ test/hotspot/jtreg/serviceability/jvmti/vthread/VThreadMonitorTest/VThreadMonitorTest.java
+ test/hotspot/jtreg/serviceability/jvmti/vthread/VThreadMonitorTest/libVThreadMonitorTest.c
+ test/hotspot/jtreg/serviceability/jvmti/vthread/VThreadTest/VThreadTest.java
+ test/hotspot/jtreg/serviceability/jvmti/vthread/VThreadTest/libVThreadTest.c