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: Ib4ce9c65d9ae67e57b8ca92bd75ff1f59f8215a7