Use gn_helpers to [se]serialize GN lists.

build/android/gyp/javac.py

Index: build/android/gyp/javac.py
diff --git a/build/android/gyp/javac.py b/build/android/gyp/javac.py
index c8425bd3aa578880d0b88f46440569c97670b589..9e5518af979b1c870c6456d78bb168145f0ca30a 100755
--- a/build/android/gyp/javac.py
+++ b/build/android/gyp/javac.py
@@ -314,17 +314,17 @@ def _ParseOptions(argv):
 
   bootclasspath = []
   for arg in options.bootclasspath:
-    bootclasspath += build_utils.ParseGypList(arg)
+    bootclasspath += build_utils.ParseGnList(arg)
   options.bootclasspath = bootclasspath
 
   classpath = []
   for arg in options.classpath:
-    classpath += build_utils.ParseGypList(arg)
+    classpath += build_utils.ParseGnList(arg)
   options.classpath = classpath
 
   java_srcjars = []
   for arg in options.java_srcjars:
-    java_srcjars += build_utils.ParseGypList(arg)
+    java_srcjars += build_utils.ParseGnList(arg)
   options.java_srcjars = java_srcjars
 
   additional_jar_files = []
@@ -334,11 +334,11 @@ def _ParseOptions(argv):
   options.additional_jar_files = additional_jar_files
 
   if options.src_gendirs:
-    options.src_gendirs = build_utils.ParseGypList(options.src_gendirs)
+    options.src_gendirs = build_utils.ParseGnList(options.src_gendirs)
 
-  options.javac_includes = build_utils.ParseGypList(options.javac_includes)
+  options.javac_includes = build_utils.ParseGnList(options.javac_includes)
   options.jar_excluded_classes = (
-      build_utils.ParseGypList(options.jar_excluded_classes))
+      build_utils.ParseGnList(options.jar_excluded_classes))
 
   java_files = []
   for arg in args: