move Audio related API outside synchronize to avoid deadlock

1. move Audio Manager out of synchronize
2. move phone call status check from java to native

Bug: 367479598
Bug: 315234036
Flag: com::android::bluetooth::flags::is_sco_managed_by_audio and HFP session type only enabled when flag is enabled
Test: atest HeadsetStateMachineTest
Change-Id: I0a41c8d3e9d49568c9f435707d9dedb6f5b7bfaa