Android Audio HAL module for PulseAudio sound server

 PulseAudio, previously known as Polypaudio, is a sound server for POSIX and
 WIN32 systems. It is a drop in replacement for the ESD sound server with
 much better latency, mixing/re-sampling quality and overall architecture.
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 This module enables PulseAudio to work on top of the Android Audio HAL.
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 The module is called module-droid.