For GL, we disable the dlclose() call on the driver in asan builds so that
leak reports get proper backtraces. For Vulkan, the dlclose() happens
from libvulkan so you need a bigger hammer to keep our drivers loaded.
Acked-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14235>
Emma Anholt