Log Message:
py-google-api-python-client: updated to 1.17.12

Version 1.7.12

Bugfix release

Implementation Changes
- Look for field 'detail' in error message.
- Exclude 308s from httplib2 redirect codes list

Documentation
- Remove oauth2client from docs
- Fix typo.
- Remove compatibility badges.
- Fix TypeError: search_analytics_api_sample.py
- Correct response access
- Fix link to API explorer
- Fix argument typo in oauth2 code example
- Recommend install with virtualenv
- Fix capitalization in docs/README.md
- Remove compatibility badges
- Remove mentions of pycrypto
- Fix typo in model.py
- Add note about Google Ads llibrary

Internal / Testing Changes
- Blacken
- Move kokoro configs