Update windows bleeding-edge git to 2.17.0

R=jchinlee@chromium.org

Bug: 811681
Change-Id: I0f98bcb3a8006d78a8658e50a6e012171b24b679
Reviewed-on: https://chromium-review.googlesource.com/1043491
Reviewed-by: Jao-ke Chin-Lee <jchinlee@chromium.org>
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>

bootstrap/win/manifest_bleeding_edge.txt

@@ -17,4 +17,4 @@ $VerifiedPlatform windows-386 windows-amd64
 infra/python/cpython/${platform} version:2.7.13.chromium7
 
 @Subdir git
-infra/git/windows-${arch} version:2.16.2.chromium12
+infra/git/windows-${arch} version:2.17.0.chromium12