IVGCVSW-7061: Use same sentence for Aynch execution in ExNet

* "Asynchronous Execution with std::launch:async..."
* "Asynchronous Execution with Arm NN thread pool..."


Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Change-Id: I93f6ae92fd5599d1042f0dfced7e90ef85e20463
diff --git a/tests/ExecuteNetwork/ExecuteNetwork.cpp b/tests/ExecuteNetwork/ExecuteNetwork.cpp
index ad462b2..02a21c3 100644
--- a/tests/ExecuteNetwork/ExecuteNetwork.cpp
+++ b/tests/ExecuteNetwork/ExecuteNetwork.cpp
@@ -789,7 +789,7 @@
         {
             try
             {
-                ARMNN_LOG(info) << "Asynchronous execution with Arm NN thread pool...  \n";
+                ARMNN_LOG(info) << "Asynchronous Execution with Arm NN thread pool...  \n";
                 armnn::AsyncCallbackManager callbackManager;
                 std::unordered_map<armnn::InferenceId, std::vector<armnnUtils::TContainer>&> inferenceOutputMap;