ioprofile: implement |isRoutableToDevice|

I/O profiles are 1:1 to mix ports, and are identifiable by port ID.

This takes advantage of |getAudioMixPort| that will give an invalid
response code on attempts to associating non-routable ports.

Bug: 367117623
Test: atest audiopolicy_tests
Flag: com.android.media.audioserver.enable_strict_port_routing_checks
Change-Id: Ifbdc6040c4e1ef8c1dcb4cad1012033b05265437