Remove net & url small, iOS ICU alternatives, unit tests.

components/cronet/tools/cr_cronet.py

Index: components/cronet/tools/cr_cronet.py
diff --git a/components/cronet/tools/cr_cronet.py b/components/cronet/tools/cr_cronet.py
index bb19362d647bd6f88ecd2da5c732969684e55ec0..d13535e40ce466e89a12348f2e1eefce81bced7e 100755
--- a/components/cronet/tools/cr_cronet.py
+++ b/components/cronet/tools/cr_cronet.py
@@ -70,10 +70,10 @@ def main():
   print extra_options_list
   gyp_defines = 'GYP_DEFINES="OS=android enable_websockets=0 '+ \
       'disable_file_support=1 disable_ftp_support=1 '+ \
-      'enable_errorprone=1"'
+      'enable_errorprone=1 use_icu_alternatives=1"'
   gn_args = 'target_os="android" enable_websockets=false '+ \
       'disable_file_support=true disable_ftp_support=true '+ \
-      'use_errorprone_java_compiler=true'
+      'use_errorprone_java_compiler=true use_icu_alternatives=true'
   out_dir = 'out/Debug'
   release_arg = ''
   extra_options = ' '.join(extra_options_list)