Try UWP with msvc.
Try UWP with msvc.

The UWP toolchain code appears to be broken with clang, so let's see
if we have better luck with MSVC.

Bug: webrtc:10050
Change-Id: If8d29e7a95a0780c310ccd665c99d7a3add1016a
Reviewed-on: https://webrtc-review.googlesource.com/c/112290
Reviewed-by: Oleh Prypin <5baa3e04f9bd6ba7a2a4b56625a3c84f19237cdb@webrtc.org>
Commit-Queue: Patrik Höglund <b486136ee68458b09c92c86c39f451c87d6ef6a1@webrtc.org>
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#25841}
TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc