[Applications.Cion] Fix namespace, ServerBase.DisplayName property, docfx (#3553)

[Applications.Cion] Fix namespace, ServerBase.DisplayName property, docfx (#3553)

* [Applications.Cion] Fix DisplayName property

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* [Applications.Cion] Fix doxygen comments

Add missing description of exceptions.

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Fix ServerBase.DisplayName property

Add missing setting _displayName.

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Add privilege description at ClientBase.Discovery

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Add some remarks FilePayload class

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Add exception description of Client.TryDiscovery

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Add exception description at FilePayload class

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Add privlevel descriptions

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Fix typo

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Fix logging

- Remove debugging logs.
- Change log tag to "Tizen.Applications.Cion".

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Add remarks exceptions at SecurityInfo class

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Fix native error code

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Fix interop delegate name

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Fix cion

- Fix bad codes.
- Update native API changes.

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Fix typo

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Fix bug of ClientBase.SendPayloadAsync

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Adjust changes of native APIs

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Fix typo

ServerBase.OnConnentionRequest() -> ServerBase.OnConnectionRequest()

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Add missing privilege requirements

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>
* Fix namespace

Fix namespace to Tizen.Applications.Cion from Tizen.Applications.

Signed-off-by: Sangyoon Jang <jeremy.jang@samsung.com>