Revamp the network detail page

1. Update the title to be wifi name
2. Add "Advanced" category

Bug: 68029969
Test: Screenshot
Change-Id: Ie0502b22336de7af2c2b1b706b51f340685b2413

res/xml/wifi_network_details_fragment.xml

@@ -14,7 +14,10 @@
      limitations under the License.
 -->
 
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    settings:initialExpandedChildrenCount="5">
 
     <com.android.settings.applications.LayoutPreference
         android:key="connection_header"

src/com/android/settings/wifi/WifiSettings.java

@@ -881,7 +881,7 @@ public class WifiSettings extends RestrictedSettingsFragment
             SettingsActivity activity = (SettingsActivity) WifiSettings.this.getActivity();
             activity.startPreferencePanel(this,
                     WifiNetworkDetailsFragment.class.getName(), pref.getExtras(),
-                    R.string.wifi_details_title, null, null, 0);
+                    -1 /* resId */, pref.getTitle(), null, 0 /* resultRequestCode */);
         });
 
         pref.refresh();