Don't use original formatting in decisions

Using the original formatting makes yapf non-stable in many cases when
formatting the exact same code.
diff --git a/yapftests/reformatter_buganizer_test.py b/yapftests/reformatter_buganizer_test.py
index 01b26e7..2eb2f99 100644
--- a/yapftests/reformatter_buganizer_test.py
+++ b/yapftests/reformatter_buganizer_test.py
@@ -140,8 +140,9 @@
                 'who': 'allin',
                 # This is an entry that has a dictionary in it. It's ugly
                 'something': {
-                    'page':
-                        ['[email protected]', '[email protected]'],
+                    'page': [
+                        '[email protected]', '[email protected]'
+                    ],
                     'bug': ['[email protected]'],
                     'email': ['[email protected]'],
                 },