b=966636 rename resampling copy variables consistently and test remaining input better r=padenot a=abillings

(transplanted from ba2c4b5ff7d878041c2ce1cc061145aaeecec233)

--HG--
extra : transplant_source : %BA%2CK_%F7%D8x%04%1C%2C%E1%CC%06%11E%AA%EE%CE%C23
Bug 941873. Blocked AudioNodeStreams should not run processing. r=karl a=lsblakk