git: openjdk/loom: fibers: Combine tests for synchronized native

[duke]

Changeset: c8fbdb59
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2024-02-17 11:11:29 +0000
URL:       https://git.openjdk.org/loom/commit/c8fbdb596d381af61abc10737a90ed6edf3987e9

Combine tests for synchronized native

! test/jdk/java/lang/Thread/virtual/MonitorEnterExit.java
- test/jdk/java/lang/Thread/virtual/MonitorSyncNativeMethod.java
! test/jdk/java/lang/Thread/virtual/SynchronizedNative.java
- test/jdk/java/lang/Thread/virtual/libMonitorSyncNativeMethod.c