Made minor refactoring and lint improvements.

Made minor refactoring and lint changes to
command.py, torq.py, command_executor.py,
tests/command_executor_unit_test.py,
and tests/config_builder_unit_test.py.

Test: atest command_executor_unit_test
Test: atest config_builder_unit_test
Bug: 352570509

Change-Id: Ifd12b60dc21d76ee92d577f7d9197a852956ef72
5 files changed