e76a272d48
- move _av into stream critical section. ( HCC accelerator_view is not thread-safe but HIP steram is. ) - Refactored many places in code that need to acquire critical section. some were previously thread races, ie enqueueing marker. -remove support for GRID_LAUNCH_VERSION < 20 -Enable USE_AV_COPY based on HCC work-week. - Review hipModule docs, some calrity/editing. Change-Id: I3ce7c25ece048c3504f55ecd4683e506bb1fc8b6