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

* commit 'a5cd6619de890d84b188efb343dea30a9072e1b5':
  AudioSource: initialize variables

Change-Id: Ic0ef4aff64c7be7987fe1c792061d7a957a007e1