Merge changes from topic "audio-hal-v4"

* changes:
  Audio V4: move 2.0/vts to core/2.0/vts to match effect's vts
  Audio V4: Fix issues in the core vts raised by clang-format
  Audio V4: Rename audio/device to audio/core
  Audio V4: Make effect default wrapper device independent
  Audio V4: Move the legacy effect wrapper before refactor
  Audio V4: Fix issues in the effect legacy wrapper raised by clang-format
  Audio V4: Make device default wrapper device independent
  Audio V4: Move the legacy wrapper before refactor
  Audio V4: Fix issues in the legacy wrapper raised by clang-format
  Audio V4: Transition legacy wrapper to Android.bp
  Audio V4: Move common test code in common folder
  Audio V4: Make test helper version independent
  Audio V4: Make common helper version independent
  Audio V4: Move common files before refactor
  Audio V4: Fix issues in common raised by clang-format