test/le-audio: update

btstack_defines: add leaudio meta event and subevent types

test/le_audio: support extended advertisements in unicast headset

test/le-audio: fix cmake build

test/le_audio: rework broadcast assistant

test/le_audio: support nRF5340 ADK and counter mode

test/le_audio: scan for multiple Broadcast Sources, drop automatic mode in assistant

test/le_audio: retry PAST on re-enable broadcast source by assistent

test/le_audio: perform PA sync on Broadcast Source select in assistant

test/le_audio: add re-enable Broadcast sink playback in assistant

test/le_audio: rework broadcast assistant

test/le_audio: delete unused code in broadcast assistant

test/le_audio: introduce broadcast source struct to broadcast assistant

test/le_audio: stop scanning after sink and source are found by broadcast assistant

test/le_audio: use GAP_SUBEVENT_LE_CONNECTION_COMPLETE

test/le_audio: restart advertising on disconnect on broadcast sink

test/le_audio: stop PA sync after BIG Sync was created

test/le_audio: implement pa_sync changes in broadcast sink

test/le_audio: track pa sync and bis sync state in bass server of broadcast sink

test/le_audio: stop playback in broadcast sink if PA Sync state is modified

test/le_audio: handle BASS Add Source without PAST available in broadcast sink

test/le-audio: setup advertising and allow to receive periodic advertising sync transfers

test: use sampling frequency and frame duration functions

# Conflicts:
# test/pts-h4/bap_service_client_test.c

test/le-audio: init le audio demo util sink in broadcast sink

test/le-audio: fix modplayer / sine toggle