[Panlingual] Improve performance of displaying app list in Settings.

- Use existed ApplicationInfo to get needed info.
 - Add unittest to AppLocaleUtil.java

Bug: b/238054165
Bug: b/231904717
Test: Maunal test passed
Test: atest passed
Change-Id: I23f354c366b45d4b684184b3366aeab913bcd3c8

src/com/android/settings/spa/app/appinfo/AppLocalePreference.kt

@@ -69,7 +69,7 @@ private class AppLocalePresenter(
             ResolveInfoFlags.of(PackageManager.GET_META_DATA.toLong()),
             app.userId,
         )
-        AppLocaleUtil.canDisplayLocaleUi(context, app.packageName, resolveInfos)
+        AppLocaleUtil.canDisplayLocaleUi(context, app, resolveInfos)
     }
 
     val summaryFlow = flow { emit(getSummary()) }

src/com/android/settings/spa/system/AppLanguagesListModel.kt

@@ -58,7 +58,7 @@ class AppLanguagesListModel(private val context: Context) : AppListModel<AppLang
             appList.map { app ->
                 AppLanguagesRecord(app,
                     AppLocaleUtil.canDisplayLocaleUi(context,
-                    app.packageName, resolveInfos))
+                    app, resolveInfos))
             }
         }