obexd: Further optimalization of PBAP tracker queries
obexd: Further optimalization of PBAP tracker queries

Now emails, addresses and telephone numbers of the same type
(work/home/other) are concatenated into sigle strings - this
gains huge difference in speed of queries when there are a lot
of contacts in database. Also changed functions for splitting
these fields on our backend side.

ComputeCycles/bluez,pkarasev3/bluez,mapfau/bluez,pstglia/external-bluetooth-bluez,mapfau/bluez,ComputeCycles/bluez,pkarasev3/bluez,ComputeCycles/bluez,pkarasev3/bluez,pstglia/external-bluetooth-bluez,mapfau/bluez,silent-snowman/bluez,pstglia/external-bluetooth-bluez,ComputeCycles/bluez,silent-snowman/bluez,pkarasev3/bluez,mapfau/bluez,silent-snowman/bluez,pstglia/external-bluetooth-bluez,silent-snowman/bluez