Add the pid to the environment

Add the pid to the environment

When the application is launched by the debugger,
the application is a child process of the debugger.
The process group of the appliation is not equal to
the process id of the debugger.
If the process id is not equal to the process pid of
the environment variable, the aul socket API will create
the socket link to recevie the request.

Requires:
 - https://review.tizen.org/gerrit/112668

Change-Id: I2f63a9cf74f13157b6cd39c8ad5d37489a37165a
Signed-off-by: Hwankyu Jhun <h.jhun@samsung.com>