Validate during NN conversions by default -- hal am: 6547b2ac9c am: ee3a8f4970

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1520618

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I00283ad0353ea76bfd0927d2fdd98640b5f94208