Import hardware/msm7k/libaudio-qsd8k at 6ef4d51bc44f0dd27badc64bbc224c890976699c
Library is now usable from libaudio
Initial working version

 * Properly route streams
 * Initialize tpa2018 using libacer_acoustic.so
 * Set modes and volume via /dev/tpa2018d1 ioctls