Use BCP47 compliant format for locale representation

android_webview/javatests/src/org/chromium/android_webview/test/AcceptLanguageTest.java

Index: android_webview/javatests/src/org/chromium/android_webview/test/AcceptLanguageTest.java
diff --git a/android_webview/javatests/src/org/chromium/android_webview/test/AcceptLanguageTest.java b/android_webview/javatests/src/org/chromium/android_webview/test/AcceptLanguageTest.java
index f9f53ce0001a6c482a70abe648e898536abdd2a9..4165e46f9703684a9d3436c411af563b6d30d897 100644
--- a/android_webview/javatests/src/org/chromium/android_webview/test/AcceptLanguageTest.java
+++ b/android_webview/javatests/src/org/chromium/android_webview/test/AcceptLanguageTest.java
@@ -84,7 +84,7 @@ public class AcceptLanguageTest extends AwTestBase {
                 JSUtils.executeJavaScriptAndWaitForResult(
                         this, mAwContents, mContentsClient.getOnEvaluateJavaScriptResultHelper(),
                         "document.body.textContent"));
-        assertEquals(LocaleUtils.getDefaultLocale(), acceptLanguages[0]);
+        assertEquals(LocaleUtils.getDefaultLocaleString(), acceptLanguages[0]);
 
         String[] acceptLanguagesJs = getAcceptLanguages(
                 JSUtils.executeJavaScriptAndWaitForResult(
@@ -106,6 +106,6 @@ public class AcceptLanguageTest extends AwTestBase {
                 JSUtils.executeJavaScriptAndWaitForResult(
                         this, mAwContents, mContentsClient.getOnEvaluateJavaScriptResultHelper(),
                         "document.body.textContent"));
-        assertEquals(LocaleUtils.getDefaultLocale(), acceptLanguages[0]);
+        assertEquals(LocaleUtils.getDefaultLocaleString(), acceptLanguages[0]);
     }
 }