Fixes #3118 .

Description

This PR added support to track engine.state attributes in handlers, referring to ignite internal handlers:
https://github.com/pytorch/ignite/blob/master/ignite/contrib/handlers/base_logger.py#L55

Status

Ready

Types of changes

• Non-breaking change (fix or new feature that would not break existing functionality).
• Breaking change (fix or new feature that would cause existing functionality to change).
• New tests added to cover the changes.
• Integration tests passed locally by running ./runtests.sh -f -u --net --coverage.
• Quick tests passed locally by running ./runtests.sh --quick --unittests.
• In-line docstrings updated.
• Documentation updated, tested make html command in the docs/ folder.