bluetooth: Set special delay for LeAudio auto connect

Timer fires when there is more GATT services to discover on a peer
devices. In such case, Android don't even start connecting profiles.

Increasing timeout solves a problem, but probably some other solution
is needed.

Bug: 150670922
Tag: #feature
Sponsor: jpawlowski@
Test: Manual
Change-Id: If28247836690a209b9dc45b297aa889029a14abb