m8: Enable offloaded visualizer

 * Since addition of the visualizer tile, devices need to use
   the offloaded visualizer in order for compress offload to
   function. Enable the plugin.
 * Also enable the ultra high quality resampler

Change-Id: I1ad85cb178a93794bc427dfeecfea8e0b04c3537
m8: Enable offload for PCM/AV streaming

 * Also cleanup useless audio policy entries

Change-Id: I1c2e8b4f86a8b16f807896bc3bfa96acd43e1c0a
Merge changes I1c2e8b4f,I1ad85cb1 into cm-11.0

* changes:
  m8: Enable offload for PCM/AV streaming
  m8: Enable offloaded visualizer