Move the Syzygy scripts out of //chrome/

Also move the syzygy_optimize and syzygy_asan GN templates to //build/win/syzygy so they can be reused in //content (without adding a dependency with //chrome).

BUG=619086

Committed: https://crrev.com/71a43cab53042f33d77fe8eebe8c2463a92f9758
Review-Url: https://codereview.chromium.org/2126673002
Cr-Original-Commit-Position: refs/heads/master@{#404503}
Cr-Commit-Position: refs/heads/master@{#404672}
13 files changed