hg: jdk/submit-hs: Submit test

[zgu at redhat.com]

Changeset: 12ce40d0645c
Author:    zgu
Date:      2018-03-19 09:45 -0400
URL:       http://hg.openjdk.java.net/jdk/submit-hs/rev/12ce40d0645c

Submit test

! src/hotspot/os/linux/os_linux.cpp
! src/hotspot/os/windows/os_windows.cpp
! src/hotspot/share/runtime/os.cpp
! src/hotspot/share/runtime/os.hpp
! src/hotspot/share/services/memTracker.hpp
! src/hotspot/share/services/virtualMemoryTracker.cpp
! src/hotspot/share/services/virtualMemoryTracker.hpp
+ test/hotspot/gtest/runtime/test_threadstack_tracking.cpp