Allowlist //build/soong/cc/{ndkstubgen,symbolfile}.

This contains the tool to generate stub libraries.

Bug: 208215661
Bug: 207812332

Test: b run //build/soong/cc/ndkstubgen
Change-Id: Id48d74381457e0a62aca0ed7f8a9367886863bfd
diff --git a/python/library.go b/python/library.go
index b920117..9c92ebd 100644
--- a/python/library.go
+++ b/python/library.go
@@ -96,8 +96,8 @@
 	}
 
 	props := bazel.BazelTargetModuleProperties{
-		// Use the native py_library rule.
-		Rule_class: "py_library",
+		Rule_class:        "py_library",
+		Bzl_load_location: "//build/bazel/rules/python:library.bzl",
 	}
 
 	ctx.CreateBazelTargetModule(props, android.CommonAttributes{