diff --git a/overlay/frameworks/base/core/res/res/values/config.xml b/overlay/frameworks/base/core/res/res/values/config.xml
index a67817d1..53558eaa 100644
--- a/overlay/frameworks/base/core/res/res/values/config.xml
+++ b/overlay/frameworks/base/core/res/res/values/config.xml
@@ -201,4 +201,12 @@
 
     <!-- Auto-brightness sensor type string -->
     <string name="config_displayLightSensorType">"com.google.sensor.auto_brightness"</string>
+
+    <!-- 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 -->
+    <string-array name="config_biometric_sensors" translatable="false" >
+        <item>0:2:15</item> <!-- ID0:Fingerprint:Strong -->
+    </string-array>
 </resources>