Compile ArmNN shim over the support library
This change adds the SELinux permissions for the new
ArmNN AIDL backend based on a shim over the NNAPI
Support Library.
Test: Local run of CtsNNAPITestCases
Test: Local run of VtsHalNeuralnetworksTargetTest
Test: Local run of MLTS Benchmark
Bug: 283724775
Change-Id: Ie63c9adebf723c0df22c9533f46ad7475414dd3a