VCL: add TLS opt to socket_test.sh

- add TLS transport opt to socket_test.sh
- resolve clash in vcl_test* args with
  socket_test.sh opts

Change-Id: I952d5b64942664bc3af1098f67445e0f4b93ab32
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
diff --git a/test/test_vcl.py b/test/test_vcl.py
index f5a1c9c..0ef4b5c 100644
--- a/test/test_vcl.py
+++ b/test/test_vcl.py
@@ -418,8 +418,8 @@
 
         self.thru_host_stack_setup()
         self.client_uni_dir_tls_timeout = 20
-        self.server_tls_args = ["-S", self.server_port]
-        self.client_uni_dir_tls_test_args = ["-N", "1000", "-U", "-X", "-S",
+        self.server_tls_args = ["-L", self.server_port]
+        self.client_uni_dir_tls_test_args = ["-N", "1000", "-U", "-X", "-L",
                                              self.loop0.local_ip4,
                                              self.server_port]