test/gatt_client: reset characteristics and their descriptors

test/gatt_client: fix gatt_client_read_long_characteristic_descriptor_using_descriptor_handle_with_offset

test/gatt_client: use btstack_event getters

test/gatt_client: fix build

test: add tests for snprintf wrappers in btstack_util

Add hci_event_builder.c to various ports and tests

btstack_hid_parser: extract btstack_hid_usage_iterator_t

btstack_hid_parser: fix param ordering

btstack_hid_parser: add HID_REPORT_ID_UNDEFINED

test/hid_parser: add tests for Descriptor Usage iterator

test/hid_parser: remove test for report position

test/hfp: test invalid commands

test/hfp: test parsing of apple extensions

test: fix build

test/fuzz: add fuzz_l2cap_whitebox

test/fuzz: add hexdump to docker image

test/hfp: test lower command

test/hfp: add long command

test/flash_tlv: add variant for explicit delete field to build

test/flash_tlv: fix tests for delete field

btstack_defines: add leaudio meta event and subevent types

test/mesh: fix `sbc_encoder.h not found` by including ./3rd-party/bluedroid/* (#591)

test/btstack-util: add unit tests

test/gatt-client: add unit tests

test/gatt-service-client: add tests