Add Wi-Fi Calling preference screen

Change-Id: Ie89902b55c5c4184236636f5039b3246a9c0bda5
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index ad84ff9..e49c6a2 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2058,6 +2058,23 @@
             </intent-filter>
         </activity>
 
+        <activity android:name="Settings$WifiCallingSettingsActivity"
+                  android:label="@string/wifi_calling_settings_title"
+                  android:taskAffinity="">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <action android:name="android.settings.WIFI_CALLING_SETTINGS" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.VOICE_LAUNCH" />
+            </intent-filter>
+            <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+                       android:value="com.android.settings.WifiCallingSettings" />
+            <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
+                       android:value="true" />
+            <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
+                       android:resource="@id/wireless_settings" />
+        </activity>
+
         <provider
             android:name=".search.SettingsSearchIndexablesProvider"
             android:authorities="com.android.settings"