s/product-services/product_services/g

Attempting to reduce the number of different spellings we have for
"product services" partition in the codebase.

Bug: 112431447
Test: m
Change-Id: I0a393a1d625e7ea3217d28735a4db709bce32395
Merged-In: I0a393a1d625e7ea3217d28735a4db709bce32395
diff --git a/ui/build/cleanbuild.go b/ui/build/cleanbuild.go
index 57f9595..a076b66 100644
--- a/ui/build/cleanbuild.go
+++ b/ui/build/cleanbuild.go
@@ -108,7 +108,7 @@
 		productOut("system_other"),
 		productOut("vendor"),
 		productOut("product"),
-		productOut("product-services"),
+		productOut("product_services"),
 		productOut("oem"),
 		productOut("obj/FAKE"),
 		productOut("breakpad"),