[automerger skipped] Add NNAPI specification and infrastructure for FL7. am: 38dd478901 -s ours

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

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/16633636

Change-Id: I82233cd523054611109bcea444a204deb7e972eb