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IdleWakeups expects to build with VS 2015 which we don't otherwise use -
this upgrades it to VS 2017.

One of the IdleWakeups columns was "Working Set" but that is ambiguous
so I confirmed that it is Private Working Set and changed the label
appropriately.

Change-Id: I49c0810de8b5ef1fce59764a05bf2b909ec9739a
Reviewed-on: https://chromium-review.googlesource.com/c/1457670
Auto-Submit: Bruce Dawson <brucedawson@chromium.org>
Commit-Queue: Sébastien Marchand <sebmarchand@chromium.org>
Reviewed-by: Sébastien Marchand <sebmarchand@chromium.org>
Cr-Commit-Position: refs/heads/master@{#634768}