Merge changes from topics "adtFunctionsNoBitMask", "audioArraysStaticCheck", "mvSystemAudioTests", "rmDeviceTypeBitMaskUsage"

* changes:
  Add audio health tests.
  Move systemaudio_tests to system/media.
  Enable AUDIO_ARRAYS_STATIC_CHECK.
  Add test for device type helper functons.
  Stop using audio device types as bit mask in policy.h
  Add test for audio device type helper functions.