Add sepolicy for biometric fingerprint virtual hal

Bug: 326227403
Test: atest BiometricsE2eTests:BiometricPromptAuthSuccessTest -c
Change-Id: I35eb767db4e5ff0a1c748b7c98d7a8b48ba782d4
diff --git a/apex/Android.bp b/apex/Android.bp
index 5b2a75e..01085f1 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -293,3 +293,10 @@
         "com.android.configinfrastructure-file_contexts",
     ],
 }
+
+filegroup {
+    name: "com.android.biometrics.virtual.fingerprint-file_contexts",
+    srcs: [
+        "com.android.biometrics.virtual.fingerprint-file_contexts",
+    ],
+}