Use log level set by ECS_LOGLEVEL env for file handler.
Use log level set by ECS_LOGLEVEL env for file handler.

kiranmeduri/amazon-ecs-agent,swipely/amazon-ecs-agent,jaimeguzman/amazon-ecs-agent,swipely/amazon-ecs-agent,jaimeguzman/amazon-ecs-agent,aws/amazon-ecs-agent,swipely/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,seiffert/amazon-ecs-agent,aws/amazon-ecs-agent,seiffert/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent,swipely/amazon-ecs-agent,aws/amazon-ecs-agent,aws/amazon-ecs-agent,kiranmeduri/amazon-ecs-agent