New ArmNN AIDL SELinux permissions and settings

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
diff --git a/gpu/sepolicy/service_contexts b/gpu/sepolicy/service_contexts
new file mode 100644
index 0000000..a881130
--- /dev/null
+++ b/gpu/sepolicy/service_contexts
@@ -0,0 +1,3 @@
+com.google.armnn.IArmnnVendorService/default             u:object_r:armnn_vendor_service:s0
+android.hardware.neuralnetworks.IDevice/google-armnn     u:object_r:armnn_nnapi_service:s0
+com.google.armnn.IArmnnpAppService/default               u:object_r:armnn_app_service:s0