Update ts-demo to use new RPC layer

Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: I8513f40c8437da397d7b2a7bae8ce6dec937d3d3
diff --git a/components/app/ts-demo/test/ts-demo_tests.cpp b/components/app/ts-demo/test/ts-demo_tests.cpp
index 92f7369..e78f8a2 100644
--- a/components/app/ts-demo/test/ts-demo_tests.cpp
+++ b/components/app/ts-demo/test/ts-demo_tests.cpp
@@ -16,22 +16,19 @@
 
     void setup()
     {
-        struct rpc_caller *caller;
-        int status;
-
-        m_rpc_session_handle = NULL;
+        m_rpc_session = NULL;
         m_crypto_service_context = NULL;
         m_crypto_client = NULL;
 
         service_locator_init();
 
-        m_crypto_service_context = service_locator_query("sn:trustedfirmware.org:crypto:0", &status);
+        m_crypto_service_context = service_locator_query("sn:trustedfirmware.org:crypto:0");
         CHECK(m_crypto_service_context);
 
-        m_rpc_session_handle = service_context_open(m_crypto_service_context, TS_RPC_ENCODING_PACKED_C, &caller);
-        CHECK(m_rpc_session_handle);
+        m_rpc_session = service_context_open(m_crypto_service_context);
+        CHECK(m_rpc_session);
 
-        m_crypto_client = new packedc_crypto_client(caller);
+        m_crypto_client = new packedc_crypto_client(m_rpc_session);
     }
 
     void teardown()
@@ -40,9 +37,9 @@
         m_crypto_client = NULL;
 
 	if (m_crypto_service_context) {
-	        if (m_rpc_session_handle) {
-                        service_context_close(m_crypto_service_context, m_rpc_session_handle);
-                        m_rpc_session_handle = NULL;
+	        if (m_rpc_session) {
+                        service_context_close(m_crypto_service_context, m_rpc_session);
+                        m_rpc_session = NULL;
 	        }
 
                 service_context_relinquish(m_crypto_service_context);
@@ -50,7 +47,7 @@
 	}
     }
 
-    rpc_session_handle m_rpc_session_handle;
+    struct rpc_caller_session *m_rpc_session;
     struct service_context *m_crypto_service_context;
     crypto_client *m_crypto_client;
 };