win: fix x64 gn static build
win: fix x64 gn static build

setup.exe isn't converted to crashpad yet, and still uses breakpad.

Tested

gn gen out/gn --args="is_debug=false is_component_build=false symbol_level=1 target_cpu=\"x86\"" --check

and

gn gen out/gn --args="is_debug=false is_component_build=false symbol_level=1" --check

building

ninja -C out/gn chrome/installer/setup:setup

R=mark@chromium.org, gab@chromium.org
BUG=546288

Review URL: https://codereview.chromium.org/1485163002 .

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#362417}

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