Adjust code for stream bt sco replacement

When replaceStreamBtSco is active do not block volume command when voice
volume stream is requested together with active sco device

Flag: com.android.media.audio.replace_stream_bt_sco
Test: atest + manual tests
Bug: 345024266
Change-Id: I45c6424aa7c0043e695eba8ca1e93abfdb8ce981