Created biometric provider.

Test: Manually verified data was fetched successfully.
Test: adb shell device_config put biometrics_framework
com.android.settings.flags.biometric_settings_provider true
Test: atest BiometricSettingsProviderTest
Bug: 303595205

Change-Id: I154754eed7c36d659853ed83cc18a2e446fb7678
diff --git a/aconfig/Android.bp b/aconfig/Android.bp
index 4d762ba..78fba34 100644
--- a/aconfig/Android.bp
+++ b/aconfig/Android.bp
@@ -14,6 +14,7 @@
         "settings_telephony_flag_declarations.aconfig",
         "settings_biometrics_integration_declarations.aconfig",
         "settings_voice_activation_apps_flag_declarations.aconfig",
+        "settings_biometrics_framework_flag_declarations.aconfig",
     ],
 }