Revert "audio: Fix check for sonification on digital docks"

This reverts commit 7a133590ff567fe09b7f415371c78480d39a83e7.

Change-Id: I27968a26e755e85d4d0c150278bf7988cc86f4e6
Merge remote-tracking branch 'CyanogenMod/cm-11.0' into cm-11.0