IVGCVSW-3729 Added neon slice workload and supporting neon layer tests

* Support added for ACL neon slice workload
* Utility function created to translate ArmNN slice layer params to ACL neon slice layer equivalent
* Neon slice layer tests added as per SliceTestImpl.hpp

Signed-off-by: josh minor <josh.minor@arm.com>
Change-Id: Id583465311879af139e8e977f16ed2280c937ac7
diff --git a/src/backends/neon/workloads/NeonSliceWorkload.hpp b/src/backends/neon/workloads/NeonSliceWorkload.hpp
new file mode 100644
index 0000000..d1f32a9
--- /dev/null
+++ b/src/backends/neon/workloads/NeonSliceWorkload.hpp
@@ -0,0 +1,31 @@
+//
+// Copyright © 2019 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/Workload.hpp>
+
+#include <arm_compute/core/Error.h>
+#include <arm_compute/runtime/IFunction.h>
+#include <arm_compute/runtime/NEON/functions/NESlice.h>
+
+namespace armnn
+{
+
+arm_compute::Status NeonSliceWorkloadValidate(const TensorInfo& input,
+                                              const TensorInfo& output,
+                                              const SliceDescriptor& descriptor);
+
+class NeonSliceWorkload : public BaseWorkload<SliceQueueDescriptor>
+{
+public:
+    NeonSliceWorkload(const SliceQueueDescriptor& descriptor, const WorkloadInfo& info);
+    virtual void Execute() const override;
+
+private:
+    mutable arm_compute::NESlice m_SliceFunction;
+};
+
+} // namespace armnn
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