hal : add default format handling for multi channel HDMI

Allow to open the HDMI multi channel direct output stream
with default sample format.
It is legitimate for the framework to open a stream with default
audio attributes in which case the defaults are chosen by the HAL.

Change-Id: Iff319ea5f47d9f80725ee895e49606e5b6804d22
1 file changed
tree: d032aaf49c5c7a7d01733def929a3b591c11be5e
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk