IVGCVSW-3553 Fix failing zero_sized tests

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: Idd10f34babc0d2552d599872b853ba5fb5c98351
diff --git a/Utils.hpp b/Utils.hpp
index 5aac471..267e519 100644
--- a/Utils.hpp
+++ b/Utils.hpp
@@ -144,4 +144,7 @@
     }
 }
 
+/// Checks if a tensor info represents a dynamic tensor
+bool IsDynamicTensor(const armnn::TensorInfo& outputInfo);
+
 } // namespace armnn_driver