configs: anorak: Changes to support Spatial Audio

- Add Spatial Audio mixPorts and Routes
- Add libquasar and sensors.dynamic_sensor_hal to
  PRODUCT PACKAGES
- Add build flag for Spatial Audio
- Push android.hardware.sensor.dynamic.head_tracker.xml to
  /vendor/etc/permissions for Dynamic Spatial Audio

Change-Id: I8177da8519df60a81fe10b000ee7faa545681225
4 files changed