Unregister all the biometric sensors

Overlay config_biometric_sensors with empty content.
So BiometricManager won't request them.

Test: CTS-V Strong Biometrics + Crypto & weak tests
Fix: 165946564
Change-Id: I1043c49a8d84412f0511fc8fe939a4af52cada75
diff --git a/common/overlay/frameworks/base/core/res/res/values/config.xml b/common/overlay/frameworks/base/core/res/res/values/config.xml
new file mode 100644
index 0000000..6933a49
--- /dev/null
+++ b/common/overlay/frameworks/base/core/res/res/values/config.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2020, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <!-- List of biometric sensors on the device, in decreasing strength. Consumed by AuthService
+     when registering authenticators with BiometricService. Format must be ID:Modality:Strength,
+     where: IDs are unique per device, Modality as defined in BiometricAuthenticator.java,
+     and Strength as defined in Authenticators.java -->
+    <!-- AAOS doesn't support fingerprint and face -->
+    <string-array name="config_biometric_sensors" translatable="false" >
+    </string-array>
+</resources>