Add sepolicy for IFace

Bug: 168730443
Test: run on cuttlefish
Change-Id: Ie3cf791e7aac090788c7213d23487ae9f50b0690
diff --git a/private/service_contexts b/private/service_contexts
index 7616f19..becefd5 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -1,3 +1,4 @@
+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
 android.hardware.identity.IIdentityCredentialStore/default           u:object_r:hal_identity_service:s0
 android.hardware.light.ILights/default                               u:object_r:hal_light_service:s0