hack to get assets audio to play
Revert "hack to get assets audio to play"

This reverts commit fb10624fe23ba166a586a588e2152b7584da0c14.
added a workaround for playing audio from assets folder on android fixes ProjetDeRechercheSurLecriture/DyslexDisorthGame#140 and for https://issues.apache.org/jira/browse/CB-6003