git: openjdk/loom: fibers: Change RQ back to monitors, disallow preempt when polling queue

[duke]

Changeset: 477e9580
Branch: fibers
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2024-07-24 19:06:30 +0000
URL:       https://git.openjdk.org/loom/commit/477e95805f3777034a5de939e52ad9a1d2d54563

Change RQ back to monitors, disallow preempt when polling queue

! src/java.base/share/classes/java/lang/invoke/MethodType.java
! src/java.base/share/classes/java/lang/ref/Finalizer.java
- src/java.base/share/classes/java/lang/ref/NativeReferenceQueue.java
! src/java.base/share/classes/java/lang/ref/Reference.java
! src/java.base/share/classes/java/lang/ref/ReferenceQueue.java
! src/java.base/share/classes/jdk/internal/access/JavaLangRefAccess.java
! src/java.base/share/classes/jdk/internal/util/ReferencedKeyMap.java
! src/java.base/share/classes/jdk/internal/util/ReferencedKeySet.java
! test/hotspot/jtreg/serviceability/sa/ClhsdbInspect.java