FM: Switch file extension to aac

Change-Id: I7e44a8835c450697765c41fafdf325c1e2043b49
1 file changed
tree: 27087aea78c784b1291e9e3cab03db8ae1376505
  1. fm_hci/
  2. fmapp2/
  3. helium/
  4. jni/
  5. qcom/