AudioSource: initialize variables am: a2f5b80 am: 67e0eb7 am: 9c67287 am: 211ec4d
am: 1bc35dd

* commit '1bc35dd09ea3e92c410e88360aea9be8da3aac5a':
  AudioSource: initialize variables

Change-Id: I489098b9661ccf6dd00e493468203dcd39d19652