Use BCP47 compliant format for locale representation

base/BUILD.gn

 # Copyright (c) 2013 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.
 
 # HOW TO WRITE CONDITIONALS IN THIS FILE
 # ======================================
 #
 # In many other places, one would write a conditional that expresses all the
 # cases when a source file is used or unused, and then either add or subtract
 # it from the sources list in that case
@@ skipping 2386 matching lines @@
       "test/android/javatests/src/org/chromium/base/test/util/parameter/ParameterizedTest.java",
       "test/android/javatests/src/org/chromium/base/test/util/parameter/parameters/MethodParameter.java",
     ]
   }
 
   junit_binary("base_junit_tests") {
     java_files = [
       "android/junit/src/org/chromium/base/BaseChromiumApplicationTest.java",
       "android/junit/src/org/chromium/base/LogTest.java",
       "android/junit/src/org/chromium/base/PromiseTest.java",
+      "android/junit/src/org/chromium/base/LocaleUtilsTest.java",
       "test/android/junit/src/org/chromium/base/test/util/DisableIfTest.java",
       "test/android/junit/src/org/chromium/base/test/util/MinAndroidSdkLevelSkipCheckTest.java",
       "test/android/junit/src/org/chromium/base/test/util/RestrictionSkipCheckTest.java",
       "test/android/junit/src/org/chromium/base/test/util/SkipCheckTest.java",
     ]
     deps = [
       ":base_java",
       ":base_java_test_support",
     ]
     srcjar_deps = [ ":base_build_config_gen" ]
@@ skipping 31 matching lines @@
     testonly = true
     deps = [
       ":base_java",
     ]
     java_files = [
       "test/android/java/src/org/chromium/base/ContentUriTestUtils.java",
       "test/android/java/src/org/chromium/base/TestSystemMessageHandler.java",
     ]
   }
 }