audio policy: always provide a valid device address when opening a stream

Treble audio HAL mandates that a valid device address is passed when
opening an output or input stream and teh device type requires and
address.

Bug: 37905534
Test: USB capture at various sampling rates. Audio playback and capture regression
Change-Id: I12f2128120b1bbe8530e8c2428e3e2cba1ba1535