IVGCVSW-3278 Cl and Neon TensorHandles inherit from common base interface

Change-Id: Ia68da09d8f0fb0a04af9cb61062d7edaa5f1b887
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>
diff --git a/src/backends/neon/workloads/NeonActivationWorkload.cpp b/src/backends/neon/workloads/NeonActivationWorkload.cpp
index 7715e5f..916d674 100644
--- a/src/backends/neon/workloads/NeonActivationWorkload.cpp
+++ b/src/backends/neon/workloads/NeonActivationWorkload.cpp
@@ -36,8 +36,8 @@
     const arm_compute::ActivationLayerInfo activationLayerInfo =
         ConvertActivationDescriptorToAclActivationLayerInfo(m_Data.m_Parameters);
 
-    arm_compute::ITensor& input = boost::polymorphic_downcast<INeonTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
-    arm_compute::ITensor& output = boost::polymorphic_downcast<INeonTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
+    arm_compute::ITensor& input = boost::polymorphic_downcast<IAclTensorHandle*>(m_Data.m_Inputs[0])->GetTensor();
+    arm_compute::ITensor& output = boost::polymorphic_downcast<IAclTensorHandle*>(m_Data.m_Outputs[0])->GetTensor();
 
     auto layer = std::make_unique<arm_compute::NEActivationLayer>();
     layer->configure(&input, &output, activationLayerInfo);