[Android]Use zh instead of zh-rTW as output folder of zh_TW translation

ui/android/BUILD.gn

 # Copyright 2015 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.
 
 import("//build/config/android/rules.gni")
 import("//testing/test.gni")
 
 assert(is_android)
 
 component("android") {
@@ skipping 99 matching lines @@
     "values-sk/android_ui_strings.xml",
     "values-sl/android_ui_strings.xml",
     "values-sr/android_ui_strings.xml",
     "values-sv/android_ui_strings.xml",
     "values-sw/android_ui_strings.xml",
     "values-th/android_ui_strings.xml",
     "values-tr/android_ui_strings.xml",
     "values-uk/android_ui_strings.xml",
     "values-vi/android_ui_strings.xml",
     "values-zh-rCN/android_ui_strings.xml",
-    "values-zh-rTW/android_ui_strings.xml",
+    "values-zh/android_ui_strings.xml",
   ]
 }
 
 android_resources("ui_java_resources") {
   custom_package = "org.chromium.ui"
   resource_dirs = [ "java/res" ]
   deps = [
     ":ui_strings_grd",
   ]
 }
@@ skipping 118 matching lines @@
     "//cc",
     "//cc:test_support",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/base",
     "//ui/gfx",
     "//ui/resources:ui_test_pak",
   ]
 }