Cleanup: use shared apex_key

Bug: 296524155
Test: m
Change-Id: Ib04e5b2f1f2719b040656237f3759502d14e3d3e
diff --git a/biometrics/face/aidl/default/apex/Android.bp b/biometrics/face/aidl/default/apex/Android.bp
index 9c031a3..86c4e12 100644
--- a/biometrics/face/aidl/default/apex/Android.bp
+++ b/biometrics/face/aidl/default/apex/Android.bp
@@ -16,26 +16,14 @@
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
-apex_key {
-    name: "com.android.hardware.biometrics.face.virtual.key",
-    public_key: "com.android.hardware.biometrics.face.virtual.avbpubkey",
-    private_key: "com.android.hardware.biometrics.face.virtual.pem",
-}
-
-android_app_certificate {
-    name: "com.android.hardware.biometrics.face.virtual.certificate",
-    certificate: "com.android.hardware.biometrics.face.virtual",
-}
-
 apex {
     name: "com.android.hardware.biometrics.face.virtual",
     manifest: "manifest.json",
     file_contexts: "file_contexts",
-    key: "com.android.hardware.biometrics.face.virtual.key",
-    certificate: ":com.android.hardware.biometrics.face.virtual.certificate",
+    key: "com.android.hardware.key",
+    certificate: ":com.android.hardware.certificate",
     updatable: false,
     vendor: true,
-    use_vndk_as_stable: true,
 
     binaries: [
         // hal