IVGCVSW-3521 CpuAcc V1.2 pad Failures

 * Pad value for QASYMM8 is no longer stored in quantized form.

Signed-off-by: Mike Kelly <mike.kelly@arm.com>
Change-Id: I048e1d233353c0560ae03a7cc1ed5199295352bc
diff --git a/src/backends/aclCommon/ArmComputeTensorUtils.hpp b/src/backends/aclCommon/ArmComputeTensorUtils.hpp
index fa455b7..c9587a7 100644
--- a/src/backends/aclCommon/ArmComputeTensorUtils.hpp
+++ b/src/backends/aclCommon/ArmComputeTensorUtils.hpp
@@ -12,6 +12,8 @@
 #include <arm_compute/core/Types.h>
 #include <arm_compute/core/Size2D.h>
 
+#include <Half.hpp>
+
 #include <boost/cast.hpp>
 
 namespace armnn
@@ -58,6 +60,9 @@
 /// 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);
 
+/// Gets the appropriate PixelValue for the input DataType
+arm_compute::PixelValue GetPixelValue(arm_compute::ITensor& input, float pixelValue);
+
 /// 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)