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Apparently (?) unnecessary, and it sometimes hangs in that call.

This doesn't seem to help the 16s timeout (per tryjobs here), but
doesn't seem to hurt either, and I can run on a local VM this way
at least.

BUG=411147

Review URL: https://codereview.chromium.org/583443005

Cr-Commit-Position: refs/heads/master@{#295594}