hg: jdk/hs: 8193846: Obsolete the VM option UseUTCFileTimestamp

[calvin.cheung at oracle.com]

Changeset: 2974041b684f
Author:    ccheung
Date:      2018-02-12 11:10 -0800
URL:       http://hg.openjdk.java.net/jdk/hs/rev/2974041b684f

8193846: Obsolete the VM option UseUTCFileTimestamp
Summary: also set the "expires in" version to 12
Reviewed-by: iklam, dholmes

! src/hotspot/os/windows/globals_windows.hpp
! src/hotspot/share/runtime/arguments.cpp