Create a new top level Privacy entry

This CL focuses on building up Privacy entry in
Settings homepage.

And also reuse some preferences in here.
-App permission
-Show password

Test: robotest, visual
Change-Id: I724ba4b4845fac933df0fca23a4e1c6afeb73362
Fixes: 116628158

src/com/android/settings/privacy/PrivacyDashboardFragment.java

@@ -0,0 +1,70 @@
+/*
+ * 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.privacy;
+
+import android.content.Context;
+import android.provider.SearchIndexableResource;
+
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settings.security.ShowPasswordPreferenceController;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.search.SearchIndexable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@SearchIndexable
+public class PrivacyDashboardFragment extends DashboardFragment {
+    private static final String TAG = "PrivacyDashboardFragment";
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.TOP_LEVEL_PRIVACY;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.privacy_dashboard_settings;
+    }
+
+    @Override
+    public int getHelpResource() {
+        return R.string.help_url_privacy_dashboard;
+    }
+
+    public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider() {
+                @Override
+                public List<SearchIndexableResource> getXmlResourcesToIndex(Context context,
+                        boolean enabled) {
+                    final ArrayList<SearchIndexableResource> result = new ArrayList<>();
+
+                    final SearchIndexableResource sir = new SearchIndexableResource(context);
+                    sir.xmlResId = R.xml.privacy_dashboard_settings;
+                    result.add(sir);
+                    return result;
+                }
+            };
+}