Add hal_vehicle_service for AIDL VHAL service.

Add selinux policy for AIDL Vehicel HAL service.
This CL mostly follows https://android-review.googlesource.com/c/platform/system/sepolicy/+/1541205/.

Test: Manually test on emulator, verify AIDL VHAL service is up and
accessible by client.
Bug: 209718034

Change-Id: Icad92e357dacea681b8539f6ebe6110a8ca8b357
diff --git a/private/service_contexts b/private/service_contexts
index 327b4f7..efdb2c0 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -1,4 +1,5 @@
 android.hardware.authsecret.IAuthSecret/default                      u:object_r:hal_authsecret_service:s0
+android.hardware.automotive.vehicle.IVehicle/default                 u:object_r:hal_vehicle_service:s0
 android.hardware.automotive.audiocontrol.IAudioControl/default       u:object_r:hal_audiocontrol_service:s0
 android.hardware.biometrics.face.IFace/default                       u:object_r:hal_face_service:s0
 android.hardware.biometrics.fingerprint.IFingerprint/default         u:object_r:hal_fingerprint_service:s0