Clean up: move speciall access stuff into single package

Bug: 110207366
Test: robotests
Change-Id: I17ad7a15d1e44bb7690d2b18ed6e2b6b17b46d8a

src/com/android/settings/applications/specialaccess/PremiumSmsController.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2017 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.applications.specialaccess;
+
+import android.content.Context;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+
+public class PremiumSmsController extends BasePreferenceController {
+
+    public PremiumSmsController(Context context, String key) {
+        super(context, key);
+    }
+
+    @AvailabilityStatus
+    public int getAvailabilityStatus() {
+        return mContext.getResources().getBoolean(R.bool.config_show_premium_sms)
+                ? AVAILABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+}