Revert "win_sdk: temporary disable ALL win_sdk build. DO NOT MERGE."

This reverts commit 4a747f67b05e906a5955b82878bb2a69ea0431f5.
Merge "Revert "win_sdk: temporary disable ALL win_sdk build. DO NOT MERGE.""
Revert "win_sdk: temporary disable ALL win_sdk build. DO NOT MERGE."

This reverts commit 4a747f67b05e906a5955b82878bb2a69ea0431f5.
auto-merger: merge in from aosp/master