jincheng b87eb50ada Fixed the failure of 'connect audio' operation in HFP examples with default SDK configuration
Due to the lack of synchronized connections, the hf_client can not create audio_connection to
hf_ag. Set default number of synchronized connection to 1.

Closes https://github.com/espressif/esp-idf/issues/9537
2022-08-17 10:07:01 +08:00
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