Do not enable sanitizers on Windows

Bug: http://b/69933068

Test: m native-host-cross SANITIZE_HOST=address
Change-Id: Ia9ff941fb569b0a2e9c4eef604fd165f94bca31a
diff --git a/cc/sanitize.go b/cc/sanitize.go
index 080ac09..4c8a611 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -155,7 +155,9 @@
 
 	if ctx.clang() {
 		if ctx.Host() {
-			globalSanitizers = ctx.Config().SanitizeHost()
+			if !ctx.Windows() {
+				globalSanitizers = ctx.Config().SanitizeHost()
+			}
 		} else {
 			arches := ctx.Config().SanitizeDeviceArch()
 			if len(arches) == 0 || inList(ctx.Arch().ArchType.Name, arches) {