Update gstorage, create_cuttlefish_action, and others to be pylint compliant.

- auto formatting by yapf with google style
- fix pylint errors
- Add some pylint disable comments to avoid pylint error temporarily

Bug: None
Test: run pylint with the pylintrc which from cl 688459
      pylint internal/lib/gstorage_client.py
      pylint public/actions/create_cuttlefish_action.py
      pylint public/actions/create_cuttlefish_action_test.py
      pylint public/config.py
      pylint public/config_test.py
      pylint public/report.py
      pylint public/report_test.py

Change-Id: I45d37359e68c3accae62f46e2a2e38e2a2c0cd28
7 files changed