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/android/androidmk.go b/android/androidmk.go
index 9f711bf..1d11161 100644
--- a/android/androidmk.go
+++ b/android/androidmk.go
@@ -242,7 +242,7 @@
 		if Bool(amod.commonProperties.Product_specific) {
 			fmt.Fprintln(&data.preamble, "LOCAL_PRODUCT_MODULE := true")
 		}
-		if Bool(amod.commonProperties.ProductServices_specific) {
+		if Bool(amod.commonProperties.Product_services_specific) {
 			fmt.Fprintln(&data.preamble, "LOCAL_PRODUCT_SERVICES_MODULE := true")
 		}
 		if amod.commonProperties.Owner != nil {