[Catalyst] Add settings service

Bug: 372981584
Flag: com.android.settings.flags.catalyst_service
Test: Manual
Change-Id: I0bb3752e65e879bd831b7d8c83ea160be32a893e

src/com/android/settings/SettingsService.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2024 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
+
+import android.content.Intent
+import android.os.IBinder
+import com.android.settings.flags.Flags
+import com.android.settingslib.service.PreferenceService
+
+/** Service to expose settings APIs. */
+class SettingsService : PreferenceService({ _, _, _ -> true }) {
+
+    override fun onBind(intent: Intent): IBinder? {
+        return if (!Flags.catalystService()) null else super.onBind(intent)
+    }
+}