Add new IPC parameter for sending service state

Add new IPC parameter for sending service state

- Requirement:
Client library needs to get current service state when preparing is
succeeded.

- Contents:
This patch changes the IPC interface parameter for service state. The
client library needs to service state information for enhancing
repreparing logic. Through this patch, client application can receive
service state information when preparing is succeeded.

Change-Id: I62eeab554074455d09ac1c28b369dde83318f399
Signed-off-by: Suyeon Hwang <stom.hwang@samsung.com>