pipe: Do not wait for pipe_fd indefinitely

pipe: Do not wait for pipe_fd indefinitely

In the case of dlog_logger crash dlog clients
will try to reconnect to server and receive pipe_fd
for logging again.  However, if dlog_logger is being
dumped (in Tizen - by crash-worker), clients will be
able to connect to the socket and request the new
pipe_fd, but recv() for fd will make client block
forever.

This commit works around this problem by introducing
finite timeout for which recv can wait.

Change-Id: Iddbbe668a084a2d0f4fcb2c34b80737d8c4c7eb6