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/file_contexts b/gpu/sepolicy/file_contexts
index 3752908..7cadf04 100644
--- a/gpu/sepolicy/file_contexts
+++ b/gpu/sepolicy/file_contexts
@@ -1 +1,3 @@
-/vendor/bin/gpu_probe           u:object_r:gpu_probe_exec:s0
+/vendor/bin/gpu_probe                                                     u:object_r:gpu_probe_exec:s0
+
+/vendor/bin/hw/android\.hardware\.neuralnetworks-shim-service-armnn       u:object_r:hal_neuralnetworks_armnn_exec:s0