[Cronet] Expose quic_user_agent_id and quic_prefer_aes config options.

components/cronet/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/buildflag_header.gni")
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/util/version.gni")
 import("//chrome/version.gni")
 import("//testing/test.gni")
@@ skipping 393 matching lines @@
     "test/quic_test_server.h",
     "test/sdch_test_util.cc",
     "test/sdch_test_util.h",
     "test/test_upload_data_stream_handler.cc",
     "test/test_upload_data_stream_handler.h",
   ]
 
   deps = [
     ":cronet_static",
     ":cronet_tests_jni_headers",
+    ":cronet_version_header",
     "//base",
     "//base:i18n",
     "//net",
     "//net:simple_quic_tools",
     "//net:test_support",
     "//third_party/icu",
   ]
 
+  include_dirs = [ _cronet_version_header_include_dir ]
+
   if (cronet_enable_data_reduction_proxy_support) {
     deps += [ "//components/data_reduction_proxy/core/browser" ]
   }
 }
 
 android_resources("cronet_test_apk_resources") {
   testonly = true
   resource_dirs = [ "test/res" ]
   android_manifest = "test/AndroidManifest.xml"
 }
@@ skipping 407 matching lines @@
     ":jar_cronet_sample_source",
     ":repackage_extracted_jars",
   ]
 }
 
 buildflag_header("features") {
   header = "../cronet_features.h"
 
   flags = [ "ENABLE_BIDIRECTIONAL_STREAM=$cronet_enable_bidirectional_stream" ]
 }