gatt_client: add missing include

ble/gatt_client: add a function to remove a queued can send now request

gatt_client: report timer start/stop as log_debug

ble/gatt_client: reject wrong configuration

hci_dump: route internal events through hci_dump_btstack_event

gatt_client: ignore incoming events and att pdus over classic until outgoing connection is set-up

Use boolean for conditionals

gatt_client: use bool for internal functions

gatt_client: use bool for send_confirmation

gatt_client: use bool for wait_for_authentication_complete

gatt_client: use bool for filter_with_uuid

gatt_client: emit query complete event for gatt_client_discover_characteristic_descriptors in next run loop iteration

gatt_client: fix spelling

gatt_client: expect bool from is_ready

Revert "gatt_client: don't emit event on error from api function gatt_client_discover_characteristic_descriptors"

This reverts commit 7045d3c0508e74262a4882ca3c46d45a91a9ca79.

gatt_client: increase retry backoff to 150 ms

gatt_client: retry setup eatt connection if there was a setup collision

gatt_client: prepare eatt code for connect retry

gatt_client: track outgoing eatt connections

gatt_client: handle l2cap connection fail without active hci connection

att_dispatch: update att_server.l2cap_cid in lower layer

gatt_client: retry outgoing l2cap connection due to collision

gatt_client: rename gatt_client_t fields

gatt_client: emit connected if (shared) classic bearer already exists

gatt_client: extract gatt_client_emit_connected