[Android] Use generated JNI bindings for locale utils.

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

Index: base/android/java/src/org/chromium/base/LocaleUtils.java
diff --git a/base/android/java/src/org/chromium/base/LocaleUtils.java b/base/android/java/src/org/chromium/base/LocaleUtils.java
index 11c1064768bf387a4a0a83e10690def415efe33b..e57b45ab50e66d266ae47c451268ed8d9a6745fc 100644
--- a/base/android/java/src/org/chromium/base/LocaleUtils.java
+++ b/base/android/java/src/org/chromium/base/LocaleUtils.java
@@ -35,4 +35,14 @@ public class LocaleUtils {
         }
         return country.isEmpty() ? language : language + "-" + country;
     }
+
+    @CalledByNative
+    private static Locale getJavaLocale(String language, String country, String variant) {
+        return new Locale(language, country, variant);
+    }
+
+    @CalledByNative
+    private static String getDisplayNameForLocale(Locale locale, Locale displayLocale) {
+        return locale.getDisplayName(displayLocale);
+    }
 }