Add support for /product-services partition

This is an adaptation of Icc4f8c16bc389fe20db680849f311d02df1299c3, to
support modules that are installed on the /product-services partition.

Bug: 80741439
Test: m -j both with and without enabling the new partition
Change-Id: I72b335ad38baff5848cd3da7489343f8cf98ff16
diff --git a/android/androidmk.go b/android/androidmk.go
index a24d7bc..9f711bf 100644
--- a/android/androidmk.go
+++ b/android/androidmk.go
@@ -242,6 +242,9 @@
 		if Bool(amod.commonProperties.Product_specific) {
 			fmt.Fprintln(&data.preamble, "LOCAL_PRODUCT_MODULE := true")
 		}
+		if Bool(amod.commonProperties.ProductServices_specific) {
+			fmt.Fprintln(&data.preamble, "LOCAL_PRODUCT_SERVICES_MODULE := true")
+		}
 		if amod.commonProperties.Owner != nil {
 			fmt.Fprintln(&data.preamble, "LOCAL_MODULE_OWNER :=", *amod.commonProperties.Owner)
 		}