autoninja: disable siso native by --reapi_address=

siso v1.3.1 changed the way to enable reapi.
It allows empty project and empty reapi_instance.

Under reclient mode to disable siso native,
set reapi_address empty.

Bug: 427569563
Change-Id: Ib653186c5200605032de5c0fddab0b64412db85c

autoninja.py

@@ -417,6 +417,7 @@ def _main_inner(input_args, build_id, should_collect_logs=False):
                             # Do not authenticate when using Reproxy.
                             '-project=',
                             '-reapi_instance=',
+                            '-reapi_address=',
                         ] + input_args[1:],
                         should_collect_logs)
                 return siso.main(["siso", "ninja"] + input_args[1:])

tests/autoninja_test.py

@@ -153,13 +153,14 @@ def use_reclient_value(output_dir):
                       '0.0')
                 autoninja.main(['autoninja.py', '-C', out_dir])
                 siso_main.assert_called_once_with([
-                    'siso', 'ninja', '-project=', '-reapi_instance=', '-C',
+                    'siso', 'ninja', '-project=', '-reapi_instance=',
-                    out_dir
+                    '-reapi_address=', '-C', out_dir
                 ])
         self.assertEqual(len(reclient_helper_calls), 1)
-        self.assertEqual(
+        self.assertEqual(reclient_helper_calls[0][0], [
-            reclient_helper_calls[0][0],
+            'siso', 'ninja', '-project=', '-reapi_instance=', '-reapi_address=',
-            ['siso', 'ninja', '-project=', '-reapi_instance=', '-C', out_dir])
+            '-C', out_dir
+        ])
         self.assertEqual(reclient_helper_calls[0][1], 'autosiso')
 
     @mock.patch('sys.platform', 'win32')