[automerger skipped] Freeze neuralnetworks AIDL version as v2 for FL6 am: 2e5a3bac0f -s ours

am skip reason: Merged-In I35dbd32695acdffc552790dc7396bc8c724e9242 with SHA-1 7e2e6b33a4 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/16230741

Change-Id: If849eb26f9cca76686cbf73fbb34b782c147cb5e