Clean up windows sdk build

* Pass ATREE_STRIP to use hermetic strip tool
* Stop using sdk/build/..., which has been empty
* Use soong_zip for faster, more reproducible zip files
* Add more dependencies
* Remove some echos to clean up output

Test: m win_sdk
Change-Id: I9bfbf6565dbeb4cc48ddd037596b8408ea3c3157