Windows: Updates Windows Vendoring

Updates windows dependent libraries for vendoing.

vendor/github.com/Microsoft/hcsshim/pkg/go-runhcs/runhcs_kill.go

@@ -0,0 +1,11 @@
+package runhcs
+
+import (
+	"context"
+)
+
+// Kill sends the specified signal (default: SIGTERM) to the container's init
+// process.
+func (r *Runhcs) Kill(context context.Context, id, signal string) error {
+	return r.runOrError(r.command(context, "kill", id, signal))
+}