Declare task affinity for entries that could be launched by SafetyCenter

Test: manual

Bug: 222676668
Change-Id: I44c2f0cee61ffd8f10284cda5a740a9e9d9ea7bb
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 57d7d10..5c3e53e 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -28,6 +28,7 @@
 import android.util.Log;
 
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.settings.biometrics.face.FaceSettings;
 import com.android.settings.core.FeatureFlags;
 import com.android.settings.enterprise.EnterprisePrivacySettings;
 import com.android.settings.network.SubscriptionUtil;
@@ -50,6 +51,8 @@
     public static class BluetoothSettingsActivity extends SettingsActivity { /* empty */ }
     public static class CreateShortcutActivity extends SettingsActivity { /* empty */ }
     public static class FaceSettingsActivity extends SettingsActivity { /* empty */ }
+    /** Container for {@link FaceSettings} to use with a pre-defined task affinity. */
+    public static class FaceSettingsInternalActivity extends SettingsActivity { /* empty */ }
     public static class FingerprintSettingsActivity extends SettingsActivity { /* empty */ }
     public static class CombinedBiometricSettingsActivity extends SettingsActivity { /* empty */ }
     public static class CombinedBiometricProfileSettingsActivity extends SettingsActivity { /* empty */ }