[Provider Model] Implement Calls & SMS fragment

It a whole new fragment that show calls preference, sms preference and Wi-Fi calling.

New fragment: NetworkProviderCallsSmsFragment

New controller: NetworkProviderWifiCallingPreferenceController (ag/12965657)

Old controllers: CallsDefaultSubscriptionController and SmsDefaultSubscriptionController

Screenshot of Provider Model: https://screenshot.googleplex.com/4NiK9AKsH4D8kkt.png

Screenshot of current: https://screenshot.googleplex.com/BtCgYmnpvT97SQs.png

Doc: https://docs.google.com/presentation/d/1azrZVS54pxM2lt9LkZHtFh_6W3fyDw_kTTPVQ_mJCi4/edit#slide=id.g9c7123c172_0_448

Bug: 172053880
Test: manual
Change-Id: I55d218d4dd6b6c268a4ee7e369b3e03dfcabd71d
diff --git a/src/com/android/settings/network/NetworkProviderCallsSmsFragment.java b/src/com/android/settings/network/NetworkProviderCallsSmsFragment.java
new file mode 100644
index 0000000..58b2872
--- /dev/null
+++ b/src/com/android/settings/network/NetworkProviderCallsSmsFragment.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2020 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.network;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.os.UserManager;
+
+import com.android.settings.R;
+import com.android.settings.Utils;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.network.telephony.CallsDefaultSubscriptionController;
+import com.android.settings.network.telephony.NetworkProviderWifiCallingPreferenceController;
+import com.android.settings.network.telephony.SmsDefaultSubscriptionController;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.core.AbstractPreferenceController;
+import com.android.settingslib.search.SearchIndexable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
+public class NetworkProviderCallsSmsFragment extends DashboardFragment {
+    private static final String LOG_TAG = "NetworkProviderCallsSmsFragment";
+    private static final String KEY_PREFERENCE_CATEGORY_CALLING = "provider_model_calling_category";
+    private static final String KEY_PREFERENCE_CALLS= "calls_preference";
+    private static final String KEY_PREFERENCE_SMS = "sms_preference";
+
+    private NetworkProviderWifiCallingPreferenceController
+            mNetworkProviderWifiCallingPreferenceController;
+
+    @Override
+    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
+        final List<AbstractPreferenceController> controllers = new ArrayList<>();
+        controllers.add(new CallsDefaultSubscriptionController(context, KEY_PREFERENCE_CALLS));
+        controllers.add(new SmsDefaultSubscriptionController(context, KEY_PREFERENCE_SMS));
+        mNetworkProviderWifiCallingPreferenceController =
+                new NetworkProviderWifiCallingPreferenceController(context,
+                        KEY_PREFERENCE_CATEGORY_CALLING);
+        mNetworkProviderWifiCallingPreferenceController.init(getSettingsLifecycle());
+        controllers.add(mNetworkProviderWifiCallingPreferenceController);
+
+        return controllers;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        updatePreferenceStates();
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.network_provider_calls_sms;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return LOG_TAG;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.ACTION_UNKNOWN;
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.network_provider_calls_sms) {
+
+                @Override
+                protected boolean isPageSearchEnabled(Context context) {
+                    return Utils.isProviderModelEnabled(context) &&
+                            context.getSystemService(UserManager.class).isAdminUser();
+                }
+            };
+}