leaudio: Add API to add/remove group node

Bug: 150670922
Tag: #feature
Sponsor: jpawlowski@
Test: Manual

Change-Id: Ib385b24d6b10754d9cadea2363e81c78b4382a44
1 file changed
tree: 3aece55ee83a889e526cc72a5ed68816d20db383
  1. framework/
  2. service/