git: openjdk/loom: fibers: Improve ThreadMXBean.findXXXDeadlockedXXX javadoc

[duke]

Changeset: 318df91c
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2022-04-28 12:14:05 +0000
URL:       https://git.openjdk.java.net/loom/commit/318df91ca8762b7a84b7766a968c7b21ba2f6ca5

Improve ThreadMXBean.findXXXDeadlockedXXX javadoc

! src/java.management/share/classes/java/lang/management/ThreadMXBean.java
! src/java.management/share/classes/sun/management/ThreadImpl.java
! test/jdk/java/lang/management/ThreadMXBean/VirtualThreadDeadlocks.java