Making build work on windows

Updating windows-specific config.
Also, it seems like windows doesn't like the symlink in at least some
situations.
Also, this is completely different and master and will (hopefully) be
updated here as well after q.

Test: will be built as part of libskia
Bug: 135278528
Change-Id: If4da579770fd92c5f3ea35b745eca013a2ce39a9