[CUDA] Needed to set context before creating streams and events
[CUDA] Needed to set context before creating streams and events

jkozdon/occa,lcw/occa,libocca/occa,lcw/occa,jkozdon/occa,libocca/occa,lcw/occa,lcw/occa,jkozdon/occa,jkozdon/occa,lcw/occa,lcw/occa,libocca/occa,jkozdon/occa,jkozdon/occa,libocca/occa