nn: move driver_cache into the common shared library

The driver cache code is needed by our HAL's for compilation caching.
There's no particularly good reason to keep it as a separate asset, so
folding it into the common library.

BUG=b:181117641
TEST=FEATURES=test emerge-volteer aosp-frameworks-ml-nn

Change-Id: I18f9f6ffa8c8be2a32a2c98c2e6595a7fb4180ff
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/frameworks/ml/+/2727703
Tested-by: Jim Pollock <jmpollock@chromium.org>
Auto-Submit: Jim Pollock <jmpollock@chromium.org>
Reviewed-by: Michael Pishchagin <mblsha@google.com>
Commit-Queue: Michael Pishchagin <mblsha@google.com>
1 file changed