git: openjdk/jdk: 8253030: ZGC: Change ZMarkCompleteTimeout unit to microseconds

[Per Lidén]

Changeset: 07da3a18
Author:    Per Lidén <pliden at openjdk.org>
Date:      2020-09-14 07:06:20 +0000
URL:       https://git.openjdk.java.net/jdk/commit/07da3a18

8253030: ZGC: Change ZMarkCompleteTimeout unit to microseconds

Reviewed-by: kbarrett, stefank, eosterlund

! src/hotspot/share/gc/z/zGlobals.hpp
! src/hotspot/share/gc/z/zMark.cpp
! src/hotspot/share/runtime/timer.cpp
! src/hotspot/share/runtime/timer.hpp