Fix : GATT connection event is not delivered to bt-frwk
[Model] All
[BinType] AP
[Customer] OPEN
[Issue#] N/A
[Request] Internal
[Occurrence Version] N/A
[Problem] After BLE connection established, GATT connection event
is not delivered to bt-frwk side.
[Cause & Measure] Before emit signal, AP move to sleep status.
Reduce timeout interval
[Checking Method] GATT connection
[Team] Basic Connection
[Developer] Injun Yang
[Solution company] Samsung
[Change Type] Specification change
Change-Id: Ic3478333845ec0994a9424d40b8cfb9fd5fe0c1d