Enterprice privacy: let the user know if admin enabled backups.

Bug: 73750212
Bug: 64012357
Test: make RunSettingsGoogleRoboTests

Change-Id: I586eaccaebb89a8b3e5b4014b3d6427ab2eb15a9

src/com/android/settings/enterprise/BackupsEnabledPreferenceController.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2018 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.enterprise;
+
+import android.content.Context;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.overlay.FeatureFactory;
+
+public class BackupsEnabledPreferenceController extends BasePreferenceController {
+
+    private static final String KEY_BACKUPS_ENABLED = "backups_enabled";
+    private final EnterprisePrivacyFeatureProvider mFeatureProvider;
+
+    public BackupsEnabledPreferenceController(Context context) {
+        super(context, KEY_BACKUPS_ENABLED);
+        mFeatureProvider = FeatureFactory.getFactory(context)
+                .getEnterprisePrivacyFeatureProvider(context);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mFeatureProvider.areBackupsMandatory() ? AVAILABLE : DISABLED_FOR_USER;
+    }
+}
+