Remove Advanced category from Network & internet

Based on the latest UX design to remove the Advanced category.

Fixes: 182742887
Bug: 182237530
Test: robotests & visual
Change-Id: Idc184960c3ac74610545c036d5a22959ac6730c1
diff --git a/res/xml/network_and_internet.xml b/res/xml/network_and_internet.xml
index c92ce94..4a11cbe 100644
--- a/res/xml/network_and_internet.xml
+++ b/res/xml/network_and_internet.xml
@@ -18,8 +18,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:key="network_and_internet_screen"
-    android:title="@string/network_dashboard_title"
-    settings:initialExpandedChildrenCount="5">
+    android:title="@string/network_dashboard_title">
 
     <PreferenceCategory
         android:key="multi_network_header"
diff --git a/res/xml/network_provider_internet.xml b/res/xml/network_provider_internet.xml
index 035026b..bb7117d 100644
--- a/res/xml/network_provider_internet.xml
+++ b/res/xml/network_provider_internet.xml
@@ -18,8 +18,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:key="network_provider_and_internet_screen"
-    android:title="@string/network_dashboard_title"
-    settings:initialExpandedChildrenCount="5">
+    android:title="@string/network_dashboard_title">
 
     <com.android.settingslib.RestrictedPreference
         android:fragment="com.android.settings.network.NetworkProviderSettings"