IVGCVSW-3746 Add Android NN Driver support for ABS

Signed-off-by: Kevin May <kevin.may@arm.com>
Change-Id: Icd32bf6f4d5f58e689b55c1c71b0d028155603c8
diff --git a/ConversionUtils.hpp b/ConversionUtils.hpp
index cc06cce..683da5e 100644
--- a/ConversionUtils.hpp
+++ b/ConversionUtils.hpp
@@ -3237,4 +3237,50 @@
     return SetupAndTrackLayerOutputSlot<HalPolicy>(operation, 0, *layer, model, data);
 }
 
+template<typename HalPolicy,
+         typename HalOperation = typename HalPolicy::Operation,
+         typename HalModel     = typename HalPolicy::Model>
+bool ConvertAbs(const HalOperation& operation, const HalModel& model, ConversionData& data)
+{
+    LayerInputHandle input = ConvertToLayerInputHandle<HalPolicy>(operation, 0, model, data);
+
+    if (!input.IsValid())
+    {
+        return Fail("%s: Operation has invalid input", __func__);
+    }
+
+    using HalOperand = typename HalPolicy::Operand;
+    const HalOperand* output = GetOutputOperand<HalPolicy>(operation, 0, model);
+    if (!output)
+    {
+        return Fail("%s: Could not read output 0", __func__);
+    }
+
+    const armnn::TensorInfo& outputInfo = GetTensorInfoForOperand(*output);
+    if (IsDynamicTensor(outputInfo))
+    {
+        return Fail("%s: Dynamic output tensors are not supported", __func__);
+    }
+
+    bool isSupported = false;
+    FORWARD_LAYER_SUPPORT_FUNC(__func__,
+                               IsAbsSupported,
+                               data.m_Backends,
+                               isSupported,
+                               input.GetTensorInfo(),
+                               outputInfo);
+
+    if (!isSupported)
+    {
+        return false;
+    }
+
+    armnn::IConnectableLayer* const layer = data.m_Network->AddAbsLayer();
+    assert(layer != nullptr);
+    input.Connect(layer->GetInputSlot(0));
+
+    return SetupAndTrackLayerOutputSlot<HalPolicy>(operation, 0, *layer, model, data);
+}
+
+
 } // namespace armnn_driver