path_stroke_with_zero_length: turn off drawFat() by default.

tools/dm_flags.py

Index: tools/dm_flags.py
diff --git a/tools/dm_flags.py b/tools/dm_flags.py
index 5704deceaf1bf5235b4e7d6d2c61a50c16b4cc82..b7a24bba8c17b7082c5eca138649f40998cccbc5 100755
--- a/tools/dm_flags.py
+++ b/tools/dm_flags.py
@@ -168,13 +168,11 @@ def get_args(bot):
                'fontmgr_match',
                'fontmgr_iter',
                'lightingshader',
-               'path_stroke_with_zero_length',
                'verylargebitmap',              # Windows only.
                'verylarge_picture_image']:     # Windows only.
     blacklist.extend(['serialize-8888', 'gm', '_', test])
   # skia:4769
-  for test in ['drawfilter',
-               'path_stroke_with_zero_length']:
+  for test in ['drawfilter']:
     blacklist.extend([    'sp-8888', 'gm', '_', test])
     blacklist.extend([   'pic-8888', 'gm', '_', test])
     blacklist.extend(['2ndpic-8888', 'gm', '_', test])