Bug 901527: reset the resampler on rate change r=jmspeex
test only change b2g excludetests for bug 824652 r=philor r=ddahl
Bug 898940. Test. r=jaws

--HG--
extra : rebase_source : f046ff1f706875c2188ce3593c45d637ddf5a144
Bug 856361. Part 10: Address review comments.