IVGCVSW-7555 Restructure Delegate

* New folders created:
  * common is for common code where TfLite API is not used
  * classic is for existing delegate implementations
  * opaque is for new opaque delegate implementation,
  * tests is for shared between existing Delegate and Opaque Delegate which have test utils to work which delegate to use.
* Existing delegate is built to libarmnnDelegate.so and opaque delegate is built as libarmnnOpaqueDelegate.so
* Opaque structure is introduced but no API is added yet.
* CmakeList.txt and delegate/CMakeList.txt have been modified and 2 new CmakeList.txt added
* Rename BUILD_ARMNN_TFLITE_DELEGATE as BUILD_CLASSIC_DELEGATE
* Rename BUILD_ARMNN_TFLITE_OPAQUE_DELEGATE as BUILD_OPAQUE_DELEGATE

Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Change-Id: Ib682b9ad0ac8d8acdc4ec6d9099bb0008a9fe8ed
diff --git a/delegate/classic/include/Version.hpp b/delegate/classic/include/Version.hpp
new file mode 100644
index 0000000..c171d77
--- /dev/null
+++ b/delegate/classic/include/Version.hpp
@@ -0,0 +1,29 @@
+//
+// Copyright © 2023 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+namespace armnnDelegate
+{
+
+/// Macro utils
+#define STRINGIFY_VALUE(s) STRINGIFY_MACRO(s)
+#define STRINGIFY_MACRO(s) #s
+
+// ArmNN Delegate version components
+#define DELEGATE_MAJOR_VERSION 28
+#define DELEGATE_MINOR_VERSION 0
+#define DELEGATE_PATCH_VERSION 0
+
+/// DELEGATE_VERSION: "X.Y.Z"
+/// where:
+///   X = Major version number
+///   Y = Minor version number
+///   Z = Patch version number
+#define DELEGATE_VERSION STRINGIFY_VALUE(DELEGATE_MAJOR_VERSION) "." \
+                         STRINGIFY_VALUE(DELEGATE_MINOR_VERSION) "." \
+                         STRINGIFY_VALUE(DELEGATE_PATCH_VERSION)
+
+} //namespace armnnDelegate
\ No newline at end of file