Backed out changeset 1840b15583fd (bug 636564) for bustage.
CLOSED TREE
Bug 867174 - Part 1: Deliver the correct channel count the to the resampler the first time that we see a buffer; r=padenot
Bug 867174 - Part 2: Protect against invalid sample rates a bit harder; r=padenot
Bug 867876 - Add some tests for the AudioParam automation events; r=roc