Prepare repository for running RuboCop after every push to Gerrit

For now fixed only one trivial whitespace problem that “bundle exec
rubocop --auto-gen-config” did not put into .rubocop_todo.yml file.

Bug: 69245
Change-Id: I667941521220ee8761fdd691c138400fcda388e0
Merge "Prepare repository for running RuboCop after every push to Gerrit"