GN: Update Windows SDK version to 10586 in generated project files
GN: Update Windows SDK version to 10586 in generated project files

It has already been updated to 10.0.10586.0 in other places
in the following CLs:
  https://codereview.chromium.org/1608013002
  https://codereview.chromium.org/1615603002

R=brettw@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1717603005

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#376857}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk