Fix : Adv malfunction on multiple LE connection

Fix : Adv malfunction on multiple LE connection

[Model] All
[BinType] AP
[Customer] OPEN

[Issue#] N/A
[Request] Internal
[Occurrence Version] N/A

[Problem] When multiple LE connection existed, unable to connect iOS GM.
[Cause & Measure] After le disconnection, Kernel start standard advertising.
 It make ANCS connection again.
[Checking Method] Connect with LE device > ANCS connection > GM launch >
 weconn start role switching >  ANCS connected again

[Team] Convergence BT
[Developer] Injun Yang
[Solution company] Samsung
[Change Type] Specification change

Change-Id: Iea238ebb1a08a2313c49f418bcc4c9abb04956e3