IVGCVSW-2164 Added ACL implementation of SpaceToBatchNd operation to ArmNN

!android-nn-driver:428

Change-Id: I42e59ad96d2c80f46b085182855d34b710a74dfe
diff --git a/src/backends/aclCommon/ArmComputeTensorUtils.hpp b/src/backends/aclCommon/ArmComputeTensorUtils.hpp
index 18f41ee..2a14d65 100644
--- a/src/backends/aclCommon/ArmComputeTensorUtils.hpp
+++ b/src/backends/aclCommon/ArmComputeTensorUtils.hpp
@@ -10,6 +10,7 @@
 #include <arm_compute/core/ITensor.h>
 #include <arm_compute/core/TensorInfo.h>
 #include <arm_compute/core/Types.h>
+#include <arm_compute/core/Size2D.h>
 
 #include <boost/cast.hpp>
 
@@ -49,6 +50,9 @@
 /// Utility function used to setup an arm_compute::PermutationVector object from an armnn::PermutationVector.
 arm_compute::PermutationVector BuildArmComputePermutationVector(const armnn::PermutationVector& vector);
 
+/// Utility function used to setup an arm_compute::Size2D object from width and height values.
+arm_compute::Size2D BuildArmComputeSize2D(const unsigned int width, const unsigned int height);
+
 /// Utility function used to setup an arm_compute::PadStrideInfo object from an armnn layer descriptor.
 template <typename Descriptor>
 arm_compute::PadStrideInfo BuildArmComputePadStrideInfo(const Descriptor &descriptor)