Use gn_helpers to [se]serialize GN lists.

build/android/gyp/jinja_template.py

Index: build/android/gyp/jinja_template.py
diff --git a/build/android/gyp/jinja_template.py b/build/android/gyp/jinja_template.py
index e6a6cb1b4284d750da9531ce03f5e7189a9746f3..c361f24f138cd14a10851e141c544156d01a57d9 100755
--- a/build/android/gyp/jinja_template.py
+++ b/build/android/gyp/jinja_template.py
@@ -79,7 +79,7 @@ def _ProcessFiles(processor, input_filenames, inputs_base_dir, outputs_zip):
 
 def _ParseVariables(variables_arg, error_func):
   variables = {}
-  for v in build_utils.ParseGypList(variables_arg):
+  for v in build_utils.ParseGnList(variables_arg):
     if '=' not in v:
       error_func('--variables argument must contain "=": ' + v)
     name, _, value = v.partition('=')
@@ -109,7 +109,7 @@ def main():
   build_utils.AddDepfileOption(parser)
   options = parser.parse_args()
 
-  inputs = build_utils.ParseGypList(options.inputs)
+  inputs = build_utils.ParseGnList(options.inputs)
 
   if (options.output is None) == (options.outputs_zip is None):
     parser.error('Exactly one of --output and --output-zip must be given')