IVGCVSW-4399 Create Sample Dynamic backend

 * Move IWorkload and WorkloadInfo to include/armnn/backends
 * Add simple sample dynamic backend with addition workload
 * Add sample example to run dynamic backend
 * Unit tests

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: I0753ce35b8e8a6223a1471388b49246d82438a44
diff --git a/src/dynamic/sample/SampleDynamicAdditionWorkload.hpp b/src/dynamic/sample/SampleDynamicAdditionWorkload.hpp
new file mode 100644
index 0000000..8362588
--- /dev/null
+++ b/src/dynamic/sample/SampleDynamicAdditionWorkload.hpp
@@ -0,0 +1,21 @@
+//
+// Copyright © 2020 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#pragma once
+
+#include <backendsCommon/Workload.hpp>
+#include <backendsCommon/WorkloadData.hpp>
+
+namespace armnn
+{
+
+class SampleDynamicAdditionWorkload : public BaseWorkload<AdditionQueueDescriptor>
+{
+public:
+    SampleDynamicAdditionWorkload(const AdditionQueueDescriptor& descriptor, const WorkloadInfo& info);
+
+    void Execute() const override;
+};
+
+} // namespace armnn