Update system setting page subtext

- Move android version from about phone subtext to system update
- Updates strings for autofill, keyboard & input, factory reset, swipe
  for notification
- Add a new pref category for spell checker and personal dictionary
- Display "None" if any default app is not selected
- Display current keyboard type as language subtext

Bug: 36395109
Test: make RunSettingsRoboTests
Change-Id: Id6ca94ea31e55f1c1ec04e47dcf657a25c35c7fe

src/com/android/settings/DeviceInfoSettings.java

@@ -20,14 +20,12 @@ import android.app.Activity;
 import android.app.Fragment;
 import android.content.Context;
 import android.content.Intent;
-import android.os.Build;
 import android.provider.SearchIndexableResource;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.core.PreferenceController;
 import com.android.settings.core.lifecycle.Lifecycle;
 import com.android.settings.dashboard.DashboardFragment;
-import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.deviceinfo.AdditionalSystemUpdatePreferenceController;
 import com.android.settings.deviceinfo.BasebandVersionPreferenceController;
 import com.android.settings.deviceinfo.BuildNumberPreferenceController;
@@ -88,34 +86,6 @@ public class DeviceInfoSettings extends DashboardFragment implements Indexable {
                 getLifecycle());
     }
 
-    private static class SummaryProvider implements SummaryLoader.SummaryProvider {
-
-        private final Context mContext;
-        private final SummaryLoader mSummaryLoader;
-
-        public SummaryProvider(Context context, SummaryLoader summaryLoader) {
-            mContext = context;
-            mSummaryLoader = summaryLoader;
-        }
-
-        @Override
-        public void setListening(boolean listening) {
-            if (listening) {
-                mSummaryLoader.setSummary(this, mContext.getString(R.string.about_summary,
-                        Build.VERSION.RELEASE));
-            }
-        }
-    }
-
-    public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY
-            = new SummaryLoader.SummaryProviderFactory() {
-        @Override
-        public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity,
-                SummaryLoader summaryLoader) {
-            return new SummaryProvider(activity, summaryLoader);
-        }
-    };
-
     private static List<PreferenceController> buildPreferenceControllers(Context context,
             Activity activity, Fragment fragment, Lifecycle lifecycle) {
         final List<PreferenceController> controllers = new ArrayList<>();