fix vendor_specific_event_callback error message

1.add handling BQR event into vendor_specific_event_callback switch case

2.Ensuring only relevant BQR events trigger the CategorizeBqrEvent
function.

Bug: 397854116
Bug: 394967257
flag: com.android.bluetooth.flags.fix_unhandled_bqr_subevent
Test: m com.google.android.btservices
Test: manual test
Change-Id: I94e5f779a3108fe74511453832ad1e7cb52ab831