audio policy: invalidate tracks when selected devices become unreachable

AudioPolicyManager::checkOutputForAttributes() was missing a rule that
invalidates clients on an output if they have matching attributes
but one of the newly selected devices is unreachable via current output profile.

Bug: 355639854
Test: repro steps in bug
Flag: EXEMPT bug fix
Change-Id: Ib16789fe829d7a6f17afe1dbf2fe4e3a8316d99d