[Telemetry] Make telemetry faster on win7.

tools/telemetry/telemetry/core/temporary_http_server.py

Index: tools/telemetry/telemetry/core/temporary_http_server.py
diff --git a/tools/telemetry/telemetry/core/temporary_http_server.py b/tools/telemetry/telemetry/core/temporary_http_server.py
index e6dd42cf12574d3fba4f1808acfe7e7a23d7089b..821b2ec4266302e6668dac4b08f78d4fcbfe4a34 100644
--- a/tools/telemetry/telemetry/core/temporary_http_server.py
+++ b/tools/telemetry/telemetry/core/temporary_http_server.py
@@ -34,7 +34,7 @@ class TemporaryHTTPServer(object):
                       browser_backend.GetRemotePort(self._host_port)))
 
     def IsServerUp():
-      return not socket.socket().connect_ex(('localhost', self._host_port))
+      return not socket.socket().connect_ex(('127.0.0.1', self._host_port))
     util.WaitFor(IsServerUp, 10)
 
   @property