pbap_client: provide pbap_client by callee

pbap_client: use temp pbap_client_singleton_pointer

pbap_client: lookup pbap_client in api function

pbap_client: use caller provided pbap client

pbap_client: extract pbap_client_connect

pbap_client: inline pbap_client_reset_state

pbap_client: use goep_cid as pbap client cid

pbap_client: add linked list item for lookup

pbap_client: move pbap_client_t to header

pbap_client: prefix pbap client state

obex: collect obex related structures used by BTstack

pbap_client: fix spelling

goep_client: remove client struct from linked list in case of connection/sdp query failure

goep_client: funnel failed SDP queries through goep_client_handle_connection_opened

gap: improve handling of incorrectly resolved addresses in HCI_SUBEVENT_LE_CONNECTION_COMPLETE

hids_device: return status for request_can_send_now_event

gatt_service/scan_parameters_service_client: emit disconnected event on HCI disconnect and free connection struct

gatt-service/hids_client: emit disconnected event on HCI disconnect and free connection struct

btstack_defines: add disconnect events for hids_client and scan_parameters_service_client

pbap_client: allow to set start offset and max list count for pull phonebook operation

a2dp: emit stream established if peer set-up configuration

a2dp: refactor handle stream established

avdtp: explicitly reset sink discover seps for

sm: fix build

sm: observe role change