Add neuralnetworks_utils_hal_service to apex/allowed_deps.txt

Similarly to the other neuralnetworks_utils_hal_* targets, this new
target is a result of restructuring our code.

Generated with build/soong/scripts/update-apex-allowed-deps.sh

Bug: 170289677
Test: m
Change-Id: I7ca24e8afe6cfb978d51f0b55389615e5f28a1e0
Merged-In: I7ca24e8afe6cfb978d51f0b55389615e5f28a1e0
(cherry picked from commit c1a84ca5)