[Panlingual] Improve UI can not show on at first.

- Settings take much time to get the info of app launcher entry. User
    may not see the panlingual UI at first after boot to home.
  - Does small refactor to somewhere.

Bug: 218416193
Test: local
Test: atest pass
Change-Id: Ibfb91f0bb8d8ff54cadd041250b3cff252dbe591
(cherry picked from commit cae20ce2f7)
Merged-In: Ibfb91f0bb8d8ff54cadd041250b3cff252dbe591

src/com/android/settings/applications/appinfo/AppLocalePreferenceController.java

@@ -17,19 +17,29 @@
 package com.android.settings.applications.appinfo;
 
 import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.util.FeatureFlagUtils;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.applications.AppLocaleUtil;
 
+import java.util.List;
+
 /**
  * A controller to update current locale information of application.
  */
 public class AppLocalePreferenceController extends AppInfoPreferenceControllerBase {
     private static final String TAG = AppLocalePreferenceController.class.getSimpleName();
 
+    private final List<ResolveInfo> mListInfos;
+
     public AppLocalePreferenceController(Context context, String key) {
         super(context, key);
+        mListInfos = context.getPackageManager().queryIntentActivities(
+                AppLocaleUtil.LAUNCHER_ENTRY_INTENT, PackageManager.GET_META_DATA);
     }
 
     @Override
@@ -49,7 +59,9 @@ public class AppLocalePreferenceController extends AppInfoPreferenceControllerBa
         return AppLocaleDetails.getSummary(mContext, mParent.getAppEntry().info.packageName);
     }
 
+    @VisibleForTesting
     boolean canDisplayLocaleUi() {
-        return AppLocaleUtil.canDisplayLocaleUi(mContext, mParent.getAppEntry());
+        return AppLocaleUtil
+                .canDisplayLocaleUi(mContext, mParent.getAppEntry().info.packageName, mListInfos);
     }
 }