Added placeholder SELinux policy for the biometric face HAL.

Notes:
- Added face hal domain, context and file types for the default
  SELinux policy.
- Please see aosp/q/topic:"Face+Authentication"

Bug: 80155388
Test: Built successfully.
Change-Id: I2e02cf6df009c5ca476dfd842b493c6b76b7712a
diff --git a/private/hwservice_contexts b/private/hwservice_contexts
index f64eccd..1fead40 100644
--- a/private/hwservice_contexts
+++ b/private/hwservice_contexts
@@ -10,6 +10,7 @@
 android.hardware.automotive.audiocontrol::IAudioControl         u:object_r:hal_audiocontrol_hwservice:s0
 android.hardware.automotive.evs::IEvsEnumerator                 u:object_r:hal_evs_hwservice:s0
 android.hardware.automotive.vehicle::IVehicle                   u:object_r:hal_vehicle_hwservice:s0
+android.hardware.biometrics.face::IBiometricsFace               u:object_r:hal_face_hwservice:s0
 android.hardware.biometrics.fingerprint::IBiometricsFingerprint u:object_r:hal_fingerprint_hwservice:s0
 android.hardware.bluetooth::IBluetoothHci                       u:object_r:hal_bluetooth_hwservice:s0
 android.hardware.bluetooth.a2dp::IBluetoothAudioOffload         u:object_r:hal_audio_hwservice:s0