[Cronet] Use prebuilt Netty Http/2 server for Cronet BidirectionalStream testing.

components/cronet.gypi

Index: components/cronet.gypi
diff --git a/components/cronet.gypi b/components/cronet.gypi
index c7518eadf250b8fc8efad2bbe145d400aea9a13f..ef3119754a79aef9a7bf82fd5431c07a60567b59 100644
--- a/components/cronet.gypi
+++ b/components/cronet.gypi
@@ -380,6 +380,9 @@
           'dependencies': [
             'cronet_java',
             '../net/net.gyp:net_java_test_support',
+            '../third_party/netty-tcnative/netty-tcnative.gyp:netty-tcnative',
+            '../third_party/netty-tcnative/netty-tcnative.gyp:netty-tcnative-so',
+            '../third_party/netty/netty.gyp:netty_all',
           ],
           'variables': {
             'apk_name': 'CronetTest',
@@ -387,6 +390,9 @@
             'resource_dir': 'cronet/android/test/res',
             'asset_location': 'cronet/android/test/assets',
             'native_lib_target': 'libcronet_tests',
+            'additional_bundled_libs': [
+              '<(PRODUCT_DIR)/libnetty-tcnative.so',
+            ],
             'run_findbugs': 1,
           },
           'includes': [ '../build/java_apk.gypi' ],