Merge auto-rotate comment/style fixes from tm-dev that couldn't be cherry picked into master

Test: none

Bug: 230378938
Change-Id: Ia0e9e5bf25d005aa6b8ccaa07a1901779b88588c

res/xml/auto_rotate_settings.xml

@@ -17,13 +17,11 @@
 
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:title="@string/accelerometer_title" >
 
     <com.android.settingslib.widget.TopIntroPreference
-        android:title="@string/auto_rotate_screen_summary"
+        android:title="@string/auto_rotate_screen_summary"/>
-        app:allowDividerAbove="false"/>
 
     <com.android.settingslib.widget.MainSwitchPreference
         android:key="auto_rotate_main_switch"
@@ -58,10 +56,9 @@
         settings:controller="com.android.settings.display.SmartAutoRotateController" />
 
     <com.android.settingslib.widget.FooterPreference
-        android:order="100"
         android:key="auto_rotate_footer_preference"
         android:title="@string/smart_rotate_text_headline"
-        android:selectable="true"
+        android:selectable="false"
         settings:searchable="false"/>
 
 </PreferenceScreen>

src/com/android/settings/display/SmartAutoRotatePreferenceFragment.java

@@ -70,13 +70,6 @@ public class SmartAutoRotatePreferenceFragment extends DashboardFragment {
         );
     }
 
-    @Override
-    public void onStart() {
-        super.onStart();
-        setupFooter();
-    }
-
-
     @Override
     protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
         return DeviceStateAutoRotationHelper.createPreferenceControllers(context);
@@ -91,6 +84,7 @@ public class SmartAutoRotatePreferenceFragment extends DashboardFragment {
         final Preference footerPreference = findPreference(KEY_FOOTER_PREFERENCE);
         if (footerPreference != null) {
             footerPreference.setVisible(isRotationResolverServiceAvailable(activity));
+            setupFooter();
         }
         return view;
     }
@@ -135,7 +129,6 @@ public class SmartAutoRotatePreferenceFragment extends DashboardFragment {
     void addHelpLink() {
         final FooterPreference pref = findPreference(KEY_FOOTER_PREFERENCE);
         if (pref != null) {
-            pref.setSelectable(false);
             pref.setLearnMoreAction(v -> {
                 startActivityForResult(HelpUtils.getHelpIntent(getContext(),
                         getString(getHelpResource()),