[automerger skipped] Add NNAPI specification and infrastructure for FL7. am: 2edfc467f1 am: 0ca4f1a02e am: 385745474d am: f2c7c12139 -s ours

am skip reason: Merged-In I0b2133346b996849faac00c46885e3633c78f024 with SHA-1 04ed8595b5 is already in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1858468

Change-Id: Ie87246b62e36b4ac7439b7ddc564b0bdd25feb7f