win: Use stamp tool that's 6x as fast and that uses 25% as much ram per stamp.

Bug: 787903
Change-Id: Ia29658bf8a04ffe6ae8e32530726e217781bb3d1
Reviewed-on: https://chromium-review.googlesource.com/1031317
Reviewed-by: Scott Graham <scottmg@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#554244}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: e99409faacc8b42cc3130cc3f1c3006afac4484b
2 files changed