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.cpp b/Utils.cpp
index c3c6310..d3d62a0 100644
--- a/Utils.cpp
+++ b/Utils.cpp
@@ -328,4 +328,10 @@
     profiler->Print(fileStream);
 }
 
+bool IsDynamicTensor(const armnn::TensorInfo& outputInfo)
+{
+    // Dynamic tensors have at least one 0-sized dimension
+    return outputInfo.GetNumElements() == 0u;
+}
+
 } // namespace armnn_driver