Add disable_brotli_filter and use_platform_icu_alternatives to cronet builder config.

scripts/slave/recipe_modules/chromium_android/chromium_config.py

 # Copyright 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.
 
 from recipe_engine.config_types import Path
 from recipe_engine import config as recipe_config
 
 import DEPS
 CONFIG_CTX = DEPS['chromium'].CONFIG_CTX
 
@@ skipping 51 matching lines @@
 @CONFIG_CTX(includes=['mipsel_builder', 'mb'])
 def mipsel_builder_mb(c):
   pass
 
 @CONFIG_CTX(includes=['main_builder'])
 def dartium_builder(c):
   c.compile_py.default_targets=['chrome_apk', 'content_shell_apk']
 
 @CONFIG_CTX()
 def cronet_builder(c):
+  c.gyp_env.GYP_DEFINES['disable_brotli_filter'] = 1
   c.gyp_env.GYP_DEFINES['disable_file_support'] = 1
   c.gyp_env.GYP_DEFINES['disable_ftp_support'] = 1
   c.gyp_env.GYP_DEFINES['enable_bidirectional_stream'] = 1
   c.gyp_env.GYP_DEFINES['enable_websockets'] = 0
+  c.gyp_env.GYP_DEFINES['use_platform_icu_alternatives'] = 1
   c.compile_py.clobber = True
   # TODO(jbudorick): Remove {cronet,net}_unittests_apk targets after
   # gn switch is finished.
   c.compile_py.default_targets=['cronet_package',
                                 'cronet_sample_test_apk',
                                 'cronet_test_instrumentation_apk',
                                 'cronet_unittests',
                                 'cronet_unittests_apk',
                                 'net_unittests',
                                 'net_unittests_apk',]
@@ skipping 112 matching lines @@
 def webview_perf(c):
   gyp_defs = c.gyp_env.GYP_DEFINES
 
 @CONFIG_CTX(includes=['main_builder'])
 def cast_builder(c):
   c.gyp_env.GYP_DEFINES['chromecast'] = 1
 
 @CONFIG_CTX()
 def errorprone(c):
   c.gyp_env.GYP_DEFINES['enable_errorprone'] = 1