alsa_sound: CM build fix

Change-Id: I532a152848b4497b6969a2a9f96117a806af8633
alsa_sound: prevent mSSRComplete from being uninitialized

* This completely screws up the in-call device switching logic because
  mSSRComplete will pretty much always be true.

Change-Id: If3acdf583f0af13019ff5c35ddd151b3a1ea47d2
audio: add missing QCOM_AUDIO_VARIANT check

Change-Id: I9e28b66e9680c2193245d32ef9555a14108ddb21