Enable RAW codec for Windows

* Use new DNG SDK version from ASOP, which fixed some build issues.
* Fix SkRawCodec.
* Fix gyp files.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1641533004

Review URL: https://codereview.chromium.org/1641533004
4 files changed