Add bazelbuild-rules_python to soong_integration_tests

Test: `atest_bazel_standalone_output_paths_contain_product_name`
Bug: 294616978
Change-Id: I40d00ee2453998122910a3ac87c681aa0b9df19c
diff --git a/tests/lib.sh b/tests/lib.sh
index f337c74..f3db76f 100644
--- a/tests/lib.sh
+++ b/tests/lib.sh
@@ -154,6 +154,7 @@
   symlink_directory external/bazelbuild-rules_go
   symlink_directory external/bazelbuild-rules_license
   symlink_directory external/bazelbuild-kotlin-rules
+  symlink_directory external/bazelbuild-rules_python
   symlink_directory external/bazelbuild-rules_java
 
   symlink_file WORKSPACE