IVGCVSW-3889 Add CL workload for INSTANCE_NORMALIZATION

!android-nn-driver:2039

Signed-off-by: Kevin May <kevin.may@arm.com>
Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: I621dd80920b58b8b795ed13917b88850519c8177
diff --git a/src/backends/cl/workloads/ClInstanceNormalizationWorkload.hpp b/src/backends/cl/workloads/ClInstanceNormalizationWorkload.hpp
new file mode 100644
index 0000000..0e37bdc
--- /dev/null
+++ b/src/backends/cl/workloads/ClInstanceNormalizationWorkload.hpp
@@ -0,0 +1,29 @@
+//
+// Copyright © 2019 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <backendsCommon/Workload.hpp>
+
+#include <arm_compute/runtime/CL/functions/CLInstanceNormalizationLayer.h>
+
+namespace armnn
+{
+
+arm_compute::Status ClInstanceNormalizationWorkloadValidate(const TensorInfo& input,
+                                                            const TensorInfo& output,
+                                                            const InstanceNormalizationDescriptor& descriptor);
+
+class ClInstanceNormalizationWorkload : public BaseWorkload<InstanceNormalizationQueueDescriptor>
+{
+public:
+    ClInstanceNormalizationWorkload(const InstanceNormalizationQueueDescriptor& descriptor, const WorkloadInfo& info);
+    void Execute() const override;
+
+private:
+    mutable arm_compute::CLInstanceNormalizationLayer m_Layer;
+};
+
+} // namespace armnn