Use GetDefaultLocaleListString for returning LocaleList

base/android/java/src/org/chromium/base/LocaleUtils.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.base;
 
 import android.annotation.TargetApi;
 import android.os.Build;
 import android.os.LocaleList;
 import android.text.TextUtils;
@@ skipping 154 matching lines @@
     public static String toLanguageTags(LocaleList localeList) {
         ArrayList<String> newLocaleList = new ArrayList<>();
         for (int i = 0; i < localeList.size(); i++) {
             Locale locale = getUpdatedLocaleForChromium(localeList.get(i));
             newLocaleList.add(toLanguageTag(locale));
         }
         return TextUtils.join(",", newLocaleList);
     }
 
     /**
+     * @return a comma separated language tags string that represents a default locale.
+     *         Each language tag is well-formed IETF BCP 47 language tag with language and country
+     *         code.
+     */
+    @CalledByNative
+    public static String getDefaultLocaleString() {
+        return toLanguageTag(Locale.getDefault());
+    }
+
+    /**
      * @return a comma separated language tags string that represents a default locale or locales.
      *         Each language tag is well-formed IETF BCP 47 language tag with language and country
      *         code.
      */
-    @CalledByNative
-    public static String getDefaultLocaleString() {
+    public static String getDefaultLocaleListString() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            return toLanguageTags(LocaleList.getAdjustedDefault());
+            return toLanguageTags(LocaleList.getDefault());
         }
-        return toLanguageTag(Locale.getDefault());
+        return getDefaultLocaleString();
     }
 
     /**
      * @return The default country code set during install.
      */
     @CalledByNative
     private static String getDefaultCountryCode() {
         CommandLine commandLine = CommandLine.getInstance();
         return commandLine.hasSwitch(BaseSwitches.DEFAULT_COUNTRY_CODE_AT_INSTALL)
                 ? commandLine.getSwitchValue(BaseSwitches.DEFAULT_COUNTRY_CODE_AT_INSTALL)
                 : Locale.getDefault().getCountry();
     }
 
 }