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This change adds EvaluateD3D() function to evaluate the D3D capability of the
host, which is used by HostAttributes. If the binary crashes, or DXGI components
cannot be initialized, No-DirectX-Capturer will be added to the host attributes.
So client can decide to let the host opt-out the experiment.

Bug: 741926
Change-Id: I48f842790b6e016efa541ab767b12d4d0e67edb6
Reviewed-on: https://chromium-review.googlesource.com/592996
Commit-Queue: Zijie He <zijiehe@chromium.org>
Reviewed-by: Joe Downing <joedow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#491215}