Issue 696828  has been merged into this issue.

Looks like this is fixed by https://github.com/shirou/gopsutil/commit/53406b283244bfe6ebf41a1c4b38b4fac57e6201

The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/2b7886067504b8360d063a4d536b4b28b79b04e9

commit 2b7886067504b8360d063a4d536b4b28b79b04e9
Author: David Sansome <dsansome@chromium.org>
Date: Fri May 05 00:38:35 2017

Update to a new gopsutil version.

Includes https://github.com/shirou/gopsutil/commit/53406b283244bfe6ebf41a1c4b38b4fac57e6201
which should fix nonsense uptime and boottime values on Windows.

Bug:  689372 
Change-Id: I3220f07f03af697cd896dfc587b3eb664f9c1ba8
Reviewed-on: https://chromium-review.googlesource.com/495946
Reviewed-by: Vadim Shtayura <vadimsh@chromium.org>
Commit-Queue: Dave Sansome <dsansome@chromium.org>

[modify] https://crrev.com/2b7886067504b8360d063a4d536b4b28b79b04e9/go/deps.lock
[modify] https://crrev.com/2b7886067504b8360d063a4d536b4b28b79b04e9/go/deps.yaml

The following revision refers to this bug:
  https://chrome-internal.googlesource.com/infra/puppet/+/40f8c84bfcb9cda4655f633ae85f0b64bd10982a

commit 40f8c84bfcb9cda4655f633ae85f0b64bd10982a
Author: David Sansome <dsansome@google.com>
Date: Fri May 05 01:06:51 2017

The following revision refers to this bug:
  https://chrome-internal.googlesource.com/infra/puppet/+/40f8c84bfcb9cda4655f633ae85f0b64bd10982a

commit 40f8c84bfcb9cda4655f633ae85f0b64bd10982a
Author: David Sansome <dsansome@google.com>
Date: Fri May 05 01:06:51 2017

The following revision refers to this bug:
  https://chrome-internal.googlesource.com/infra/puppet/+/5e282785fd18396b270591c5d0cc53dc2d9fb832

commit 5e282785fd18396b270591c5d0cc53dc2d9fb832
Author: David Sansome <dsansome@google.com>
Date: Fri May 05 01:45:07 2017