Bluetooth: SDP: Check room needed against user allocated

When getting very first SSA PDU response for given UUID we can extract
from it the counter telling us how much data will be delivered by server
to collect all complete response for given UUID. Let's use that
information to check if the room allocated by app is big enough for
collecting resolved data.

Jira: ZEP-1112

Change-Id: I91515da668d89e05755d64e427dee0936bf20323
Signed-off-by: Arkadiusz Lichwa <arkadiusz.lichwa@tieto.com>