AudioSource: initialize variables am: a2f5b80 am: 67e0eb7 am: 9c67287
am: 211ec4d

* commit '211ec4d5a50b9833accc1885a19e9811cf9c59bf':
  AudioSource: initialize variables

Change-Id: Id2246823e62161f86d5fe4d490d09e7ac1d6acca