Fix speech extension in Safari (#1202) by calling getUserMedia for every listen and wait block rather than trying to reuse it.  Also get rid of some code that was not actually doing anything. (#1467)
Fix speech extension in Safari (#1202) by calling getUserMedia for every listen and wait block rather than trying to reuse it.  Also get rid of some code that was not actually doing anything. (#1467)


LLK/scratch-vm,LLK/scratch-vm,LLK/scratch-vm