Rietveld: do retries on timeouts in Mac.

BUG=564304
TBR=sergiyb@chromium.org

Review URL: https://codereview.chromium.org/1496643002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@297793 0039d316-1c4b-4281-b951-d872f2087c98

rietveld.py

@@ -433,7 +433,7 @@ class Rietveld(object):
             raise
           if (not 'Name or service not known' in e.reason and
               not 'EOF occurred in violation of protocol' in e.reason and
-              not 'Connection timed out' in e.reason and
+              not 'timed out' in e.reason and
               not 'The handshake operation timed out' in e.reason and
               # On windows we hit weird bug http://crbug.com/537417
               # with message '[Errno 10060] A connection attempt failed...'