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

blimp/client/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/ui.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
@@ skipping 288 matching lines @@
       "values-sk/android_blimp_strings.xml",
       "values-sl/android_blimp_strings.xml",
       "values-sr/android_blimp_strings.xml",
       "values-sv/android_blimp_strings.xml",
       "values-sw/android_blimp_strings.xml",
       "values-th/android_blimp_strings.xml",
       "values-tr/android_blimp_strings.xml",
       "values-uk/android_blimp_strings.xml",
       "values-vi/android_blimp_strings.xml",
       "values-zh-rCN/android_blimp_strings.xml",
-      "values-zh-rTW/android_blimp_strings.xml",
+      "values-zh/android_blimp_strings.xml",
     ]
   }
 
   java_cpp_enum("blimp_java_enums_srcjar") {
     sources = [
       "session/assignment_source.h",
     ]
   }
 
   android_library("blimp_java") {
@@ skipping 110 matching lines @@
     apk_name = "BlimpTest"
     apk_under_test = ":blimp_apk"
     android_manifest = blimp_test_apk_manifest
     deps = [
       ":blimp_test_apk_manifest",
       ":blimp_test_java",
       google_play_services_resources,
     ]
   }
 }