vendor: bring back DSPManager effects backend

it has more features then standard android effects

devices that dont want to use it should simply
add a copy of standard audio_effects.conf file into the 
device and copy this into /system/etc/audio_effects_vendor.conf
using that overwrite mechanism

Change-Id: Ibc21efcc3125fb299eb26371c93f7559df159461
1 file changed
tree: 76e7832394cf51080e254e6ef90f76b95e0776ea
  1. build/
  2. config/
  3. overlay/
  4. prebuilt/
  5. sepolicy/
  6. utils/
  7. Android.mk