cl_status_server: GetTokenFromServiceAccount takes **kwargs

When buildbucket requests return 401 status code, buildbucket
authentication will be retried with extra kwargs.

BUG=chromium:812884
TEST=deployed locally and tested.

Change-Id: I6ff8d7aa0b38005860eec0c817f5dab175a7ef35
4 files changed
tree: 069b1b20540be59604a069868d602ef8ac9b032a
  1. cl_status_viewer_server/
  2. cl_status_viewer_ui/
  3. PRESUBMIT.cfg