[Tizen] Fix Windows build

Author: swift-kim

tools/gn

@@ -543,7 +543,7 @@ def to_gn_args(args):
   # does not exist. Further, we set the 'host_cpu' so that it shares the
   # bitwidth of the 32-bit arm target.
   if sys.platform.startswith(
-      ('cygwin', 'win')) and args.target_os == 'android' and gn_args['target_cpu'] == 'arm':
+      ('cygwin', 'win')) and args.target_os != 'win' and gn_args['target_cpu'] == 'arm':
     gn_args['host_cpu'] = 'x86'
     gn_args['current_cpu'] = 'x86'