IVGCVSW-1946: Remove armnn/src from the include paths

Change-Id: I663a0a0fccb43ee960ec070121a59df9db0bb04e
diff --git a/src/backends/reference/workloads/RefConvertFp16ToFp32Workload.cpp b/src/backends/reference/workloads/RefConvertFp16ToFp32Workload.cpp
index b01246b..886e77a 100644
--- a/src/backends/reference/workloads/RefConvertFp16ToFp32Workload.cpp
+++ b/src/backends/reference/workloads/RefConvertFp16ToFp32Workload.cpp
@@ -8,7 +8,7 @@
 #include "RefWorkloadUtils.hpp"
 #include "FloatingPointConverter.hpp"
 
-#include <armnnUtils/Half.hpp>
+#include <Half.hpp>
 
 namespace armnn
 {