Bluetooth: AVDTP: Add AVDTP_Timer & Handler

Added AVDTP_TIMER = 6secs for tracking sent
Singalling Request.
Timeout handler function added.

Change-Id: I76ddcdcfba2b5e9317f66f9815e0d9d3f4cc87e7
Signed-off-by: Arun Jagadish <arun.jagadish@intel.com>
1 file changed