Settings should be per-profile

Also, don't show keyguard option for work profile

Fixes: 129905061

Test: Builds
Change-Id: I18f573f39ee4e54a3385cc65079bb794633cc560

src/com/android/settings/biometrics/face/FaceSettingsPreferenceController.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2019 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
+ */
+
+package com.android.settings.biometrics.face;
+
+import android.content.Context;
+
+import com.android.settings.core.TogglePreferenceController;
+
+/**
+ * Abstract base class for all face settings toggles.
+ */
+public abstract class FaceSettingsPreferenceController extends TogglePreferenceController {
+
+    private int mUserId;
+
+    public FaceSettingsPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    public void setUserId(int userId) {
+        mUserId = userId;
+    }
+
+    protected int getUserId() {
+        return mUserId;
+    }
+}