nn: add dynamic load for drivers
This path adds a dynamic load for different drivers.
BUG=None
TEST=USE="xnnpack-driver" cros_workon_make --board=${BOARD} aosp-frameworks-ml-nn --test
Cq-Depend: chromium:3020753
Change-Id: I8941d07de8839f486eb892e05091af9477e411d8
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/frameworks/ml/+/3007637
Reviewed-by: Jim Pollock <[email protected]>
Commit-Queue: Jim Pollock <[email protected]>
Tested-by: Jim Pollock <[email protected]>