alternate textblobgeometrychange fix... just make our own surface if needed

tools/dm_flags.py

Index: tools/dm_flags.py
diff --git a/tools/dm_flags.py b/tools/dm_flags.py
index 95ddb2c00e989206e379a1b66897809b95d7742e..5704deceaf1bf5235b4e7d6d2c61a50c16b4cc82 100755
--- a/tools/dm_flags.py
+++ b/tools/dm_flags.py
@@ -169,14 +169,12 @@ def get_args(bot):
                'fontmgr_iter',
                'lightingshader',
                'path_stroke_with_zero_length',
-               'textblobgeometrychange',
                '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',
-               'textblobgeometrychange']:
+               'path_stroke_with_zero_length']:
     blacklist.extend([    'sp-8888', 'gm', '_', test])
     blacklist.extend([   'pic-8888', 'gm', '_', test])
     blacklist.extend(['2ndpic-8888', 'gm', '_', test])