Add EATT support for dump_le_audio.py tool

1. The previous version only support ATT packet parsing. Add the mechanism to get the cid for EATT, and filter the EATT packet to get the codec information
2. Modify the lint error together

Bug: 279356092
Test: verified with EATT supported headset via SW path audio dump
Change-Id: I46d18fbc3236857fe1710980c76e4dda47af3462