nn: move VTS / CTS to new package

BUG=b:182254380
TEST=emerge-volteer aosp-frameworks-ml-nn-vts && cros deploy <DUT>

Change-Id: I359f44a2c593aed181a3663b3e6378e06ff0ef30
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/frameworks/ml/+/2745351
Tested-by: Jim Pollock <jmpollock@chromium.org>
Auto-Submit: Jim Pollock <jmpollock@chromium.org>
Commit-Queue: Stuart Langley <slangley@chromium.org>
Reviewed-by: Stuart Langley <slangley@chromium.org>
3 files changed