Modified the PrivacySettings and add PreferenceControllers

- Changed the PrivacySettings to DashboardFragment.
- Added the new five related PreferenceControllers and related codes
- Modified the privacy_settings.xml
- Removed the PrivacySettingsTest test by design changed
- Moved the PrivacySettings.java from root directory to backup

Test: manual
Test: make RunSettingsRoboTests
Change-Id: Ic88e2e58a11d024d2394f75c3db5b46fe2d86dba

src/com/android/settings/backup/AutoRestorePreferenceController.java

@@ -0,0 +1,89 @@
+/*
+ * 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.backup;
+
+import android.app.backup.IBackupManager;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.provider.Settings;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.Preference;
+import android.util.Log;
+
+import com.android.settings.core.TogglePreferenceController;
+
+public class AutoRestorePreferenceController extends TogglePreferenceController {
+    private static final String TAG = "AutoRestorePrefCtrler";
+
+    private PrivacySettingsConfigData mPSCD;
+    private Preference mPreference;
+
+    public AutoRestorePreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    public void setPrivacySettingsConfigData(final PrivacySettingsConfigData pData) {
+        mPSCD = pData;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        if (!PrivacySettingsUtils.isAdminUser(mContext)) {
+            return DISABLED_FOR_USER;
+        }
+        if (PrivacySettingsUtils.isInvisibleKey(mContext, PrivacySettingsUtils.AUTO_RESTORE)) {
+            return DISABLED_UNSUPPORTED;
+        }
+        return AVAILABLE;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        mPreference = preference;
+        preference.setEnabled(mPSCD.isBackupEnabled());
+    }
+
+    @Override
+    public boolean isChecked() {
+        final ContentResolver res = mContext.getContentResolver();
+
+        return Settings.Secure.getInt(res,
+                Settings.Secure.BACKUP_AUTO_RESTORE, 1) == 1;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        final boolean nextValue = isChecked;
+        boolean result = false;
+
+        final IBackupManager backupManager = IBackupManager.Stub.asInterface(
+                ServiceManager.getService(Context.BACKUP_SERVICE));
+
+        try {
+            backupManager.setAutoRestore(nextValue);
+            result = true;
+        } catch (RemoteException e) {
+            ((SwitchPreference) mPreference).setChecked(!nextValue);
+            Log.e(TAG, "Error can't set setAutoRestore", e);
+        }
+
+        return result;
+    }
+}