DLPX-43064 include high-resolution round-trip times in connstat (EP-652)

*** 17,27 ****
   * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
   * Copyright 2016 Joyent, Inc.
   */
  
  /*
!  * Copyright (c) 2013, 2015 by Delphix. All rights reserved.
   */
  
  #ifndef _SYS_TIME_H
  #define _SYS_TIME_H
  
--- 17,27 ----
   * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
   * Copyright 2016 Joyent, Inc.
   */
  
  /*
!  * Copyright (c) 2013, 2016 by Delphix. All rights reserved.
   */
  
  #ifndef _SYS_TIME_H
  #define _SYS_TIME_H