hal: Don't try to record using 3-mic unless we mean it

 * The check here isn't sufficient for the case where SSR
   is disabled. The original code stubs out the relevant
   functions to all return 0, which actually satisfies the
   condition. The result is that all audio is sent
   to oblivion.

Change-Id: I6a7e9bea3597c31543ba5637813784e3730b7a33