chore: Fix owlbot-golden file generation

Author: lqiu96

hermetic_build/library_generation/templates/owlbot.py.j2

@@ -21,8 +21,12 @@ for library in s.get_staging_dirs():
     s.move(library)
 
 s.remove_staging_dirs()
-{% if should_include_templates %}java.common_templates(monorepo=True, {% if template_excludes %}excludes=[
-{%- for exclude in template_excludes %}
-    "{{ exclude }}"{% if not loop.last %},{% endif %}
-{%- endfor %}
-]{% endif %}){% endif %}
+{% if should_include_templates %}
+java.common_templates(
+    monorepo=True,
+    {% if template_excludes %}
+    excludes=[
+    {%- for exclude in template_excludes %}
+        "{{ exclude }}"{% if not loop.last %},{% endif %}
+    {%- endfor %}
+]{% endif %}){% endif %}

hermetic_build/library_generation/tests/resources/goldens/owlbot-golden.py

@@ -35,4 +35,4 @@
         "renovate.json",
         ".gitignore",
     ],
-)
+)