Add functionality for embedders to configure NQE

components/cronet/android/test/cronet_url_request_context_config_test.cc

Index: components/cronet/android/test/cronet_url_request_context_config_test.cc
diff --git a/components/cronet/android/test/cronet_url_request_context_config_test.cc b/components/cronet/android/test/cronet_url_request_context_config_test.cc
index ad522b74dcc4168ca8ab56be484252ef262f99f9..6b0d1bee82bec2d31c1be784c65e4c167d90dddf 100644
--- a/components/cronet/android/test/cronet_url_request_context_config_test.cc
+++ b/components/cronet/android/test/cronet_url_request_context_config_test.cc
@@ -43,7 +43,7 @@ static void VerifyUrlRequestContextConfig(
   CHECK_EQ(config->http_cache, URLRequestContextConfig::HttpCacheType::MEMORY);
   CHECK_EQ(config->http_cache_max_size, 54321);
   CHECK_EQ(config->user_agent, "efgh");
-  CHECK_EQ(config->experimental_options, "ijkl");
+  CHECK(!config->effective_experimental_options);
   CHECK_EQ(config->storage_path,
            base::android::ConvertJavaStringToUTF8(env, jstorage_path));
 }