git: openjdk/loom: fibers: fixed: SingleStep events enabled for cthread but delivered on vthread

[duke]

Changeset: dc65a18e
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2020-12-10 08:07:01 +0000
URL:       https://git.openjdk.java.net/loom/commit/dc65a18e

fixed: SingleStep events enabled for cthread but delivered on vthread

! src/hotspot/share/prims/jvmtiEnv.cpp
! src/hotspot/share/prims/jvmtiEventController.cpp
! src/hotspot/share/prims/jvmtiEventController.hpp
! src/hotspot/share/prims/jvmtiThreadState.cpp
! src/hotspot/share/prims/jvmtiThreadState.inline.hpp
! test/hotspot/jtreg/serviceability/jvmti/vthread/DoContinueSingleStepTest/libDoContinueSingleStepTest.cpp