Bluetooth: SDP: Allocate user delivered memory for resolved data

Adds driven by user params buffer location to be populated by UUID
resolved data. Corresponding handlers responsible for connected and
disconnected states of L2CAP transport channel used by SDP PSM traffic
automatically allocates and unrefs such memory. Data receiving handler
performs buffer fill up.

Jira: ZEP-1112

Change-Id: I8aa97e6e69344dca0f241a4e9097acac75e14a7c
Signed-off-by: Arkadiusz Lichwa <arkadiusz.lichwa@tieto.com>