hg: jdk/sandbox: 8231670: Remove TaskExecutor abstraction used in preserved marks processing

[chris.hegarty at oracle.com]

Changeset: 72f39a72b538
Author:    tschatzl
Date:      2020-01-08 13:33 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/72f39a72b538

8231670: Remove TaskExecutor abstraction used in preserved marks processing
Reviewed-by: sjohanss, kbarrett

! src/hotspot/share/gc/g1/g1CollectedHeap.cpp
! src/hotspot/share/gc/g1/g1FullCollector.cpp
! src/hotspot/share/gc/parallel/psPromotionManager.cpp
! src/hotspot/share/gc/serial/defNewGeneration.cpp
! src/hotspot/share/gc/shared/preservedMarks.cpp
! src/hotspot/share/gc/shared/preservedMarks.hpp
! src/hotspot/share/gc/shared/preservedMarks.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp