Remove NDK exports am: d8c461ab86 am: e31a24d81b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NeuralNetworks/+/3253719

Change-Id: I7d81a66b4fe835522bc4dde7536f0e110d99d21a
Signed-off-by: Automerger Merge Worker <[email protected]>