AudioSource: initialize variables am: a2f5b80 am: 67e0eb7 am: 9c67287 am: 211ec4d am: 1bc35dd am: 8cb55c6 am: bbe7dfd  -s ours am: b81c6b1 am: a5cd661
am: 9ebd633

* commit '9ebd633a2ab69db428f38fa642b768da8294e01f':
  AudioSource: initialize variables

Change-Id: Icba1d7b46686e1e589a9d38a19d627ef38c75f5b