Add Fast Pair to System Settings

Test: manual - took a screen capture https://photos.app.goo.gl/YgkVkAqxib4DwFs49 unit tests passed.
Bug: 203579197

Change-Id: Ie15ede111f7cdd1fc635fb9c475fe210d3f7f91b

src/com/android/settings/nearby/FastPairPreferenceController.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2022 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.nearby;
+
+import android.content.Context;
+
+import androidx.lifecycle.LifecycleObserver;
+
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * {@link BasePreferenceController} for Fast Pair settings.
+ */
+public class FastPairPreferenceController extends BasePreferenceController implements
+        LifecycleObserver {
+    public static final String TAG = "FastPairPrefController";
+    public static final String KEY_FAST_PAIR_SETTINGS = "connected_device_fast_pair";
+
+    public FastPairPreferenceController(Context context) {
+        super(context, KEY_FAST_PAIR_SETTINGS);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+}