DeviceInfo: move more prefereces in PreferenceController

Bug: 34774945
Test: make RunSettingsRoboTests
Change-Id: Ie5e113a6df85bab5be50c947bd7b91cfacdccb7f

src/com/android/settings/deviceinfo/SafetyInfoPreferenceController.java

@@ -0,0 +1,45 @@
+/*
+ * 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.deviceinfo;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+
+import com.android.settings.core.PreferenceController;
+
+public class SafetyInfoPreferenceController extends PreferenceController {
+
+    private static final Intent INTENT_PROBE =
+            new Intent("android.settings.SHOW_SAFETY_AND_REGULATORY_INFO");
+
+    private final PackageManager mPackageManager;
+
+    public SafetyInfoPreferenceController(Context context) {
+        super(context);
+        mPackageManager = mContext.getPackageManager();
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return !mPackageManager.queryIntentActivities(INTENT_PROBE, 0).isEmpty();
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return "safety_info";
+    }
+}