LeAudio: Bind configuration provider life time with the Codec Manager

In the near future, the Codec Manager, will become the main source for
the audio set configurations.

Bug: 295972694
Test: atest bluetooth_le_audio_test bluetooth_le_audio_client_test bluetooth_test_broadcaster bluetooth_test_broadcaster_state_machine
Change-Id: Id779e17385aef8e675794a90726329e72c0de6f4