Insert "time in test" column to log message below [JFG-522]

	modified:   chassis/core/src/main/java/com/griddynamics/jagger/engine/e1/scenario/DefaultWorkloadController.java
	modified:   chassis/core/src/main/java/com/griddynamics/jagger/engine/e1/scenario/WorkloadExecutionStatusBuilder.java
	modified:   chassis/core/src/main/java/com/griddynamics/jagger/engine/e1/scenario/WorkloadTaskDistributor.java
	modified:   chassis/core/src/test/java/com/griddynamics/jagger/engine/e1/scenario/DefaultWorkloadCollectorTest.java