COMPMID-3069: Remove unnecessary uses of ToolchainSupport.h

Change-Id: I9c09d1002043fd2f927493a85924298d54b1ad9c
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/2854
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
diff --git a/tests/framework/TestFilter.cpp b/tests/framework/TestFilter.cpp
index f392aa7..279f019 100644
--- a/tests/framework/TestFilter.cpp
+++ b/tests/framework/TestFilter.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2019 ARM Limited.
+ * Copyright (c) 2017-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -24,7 +24,7 @@
 #include "TestFilter.h"
 
 #include "Framework.h"
-#include "support/ToolchainSupport.h"
+#include "support/StringSupport.h"
 
 #include <sstream>
 #include <string>