Compile ArmNN shim over the support library.
Remove SELinux permissions and settings for the old HIDL backend.
The AIDL settings will be in the gs-common folder.
Test: Local run of CtsNNAPITestCases
Test: Local run of VtsHalNeuralnetworksTargetTest
Test: Local run of MLTS Benchmark
Bug: 283724775
Change-Id: Ie9862ad196383126fa4f1a684bc2f5326d8fb15c