skdiff now has the option to not print out the directories it is using.

Further, test_pictures.py will call skdiff with this option.

Review URL: https://codereview.appspot.com/6347066

git-svn-id: http://skia.googlecode.com/svn/trunk@4497 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tools/test_pictures.py b/tools/test_pictures.py
index 21eaa40..74684ef 100644
--- a/tools/test_pictures.py
+++ b/tools/test_pictures.py
@@ -74,8 +74,9 @@
     @param diff_dir the location to write out the diff results
     """
     skdiff_path = FindPathToProgram('skdiff')
-    RunCommand('%s %s %s %s' %
-               (skdiff_path, expected_dir, comparison_dir, diff_dir))
+    RunCommand('%s %s %s %s %s' %
+               (skdiff_path, expected_dir, comparison_dir, diff_dir,
+                '--noprintdirs'))
 
 
 def Cleanup(options, render_dir, diff_dir):