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
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/6668613
Reviewed-by: Junji Watanabe <jwata@google.com>
Commit-Queue: Fumitoshi Ukai <ukai@google.com>
Auto-Submit: Fumitoshi Ukai <ukai@google.com>
Commit-Queue: Junji Watanabe <jwata@google.com>

autoninja.py

@@ -473,6 +473,7 @@ 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 run_siso(["siso", "ninja"] + input_args[1:])