Disable .toc generation for windows

toc.sh doesn't support windows.

Bug: 36874115
Test: builds
Change-Id: Id38ce60bf2d11a56938eb37193589ccee845a855
diff --git a/cc/library.go b/cc/library.go
index 1871696..e9e796e 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -462,7 +462,7 @@
 
 	builderFlags := flagsToBuilderFlags(flags)
 
-	if !ctx.Darwin() {
+	if !ctx.Darwin() && !ctx.Windows() {
 		// Optimize out relinking against shared libraries whose interface hasn't changed by
 		// depending on a table of contents file instead of the library itself.
 		tocPath := outputFile.RelPathString()