dependencygraph: simplify container start logic

Instead of explicitly checking against many conditions, we now
validate that the expected condition has progressed beyond started

This mirrors prior behavior in the codebase, and reduces cyclo
complexity.

agent/engine/dependencygraph/graph.go

@@ -328,9 +328,7 @@ func containerOrderingDependenciesIsResolved(target *apicontainer.Container,
 		// The 'target' container desires to be moved to 'Created' or the 'steady' state.
 		// Allow this only if the known status of the dependency container state is already started
 		// i.e it's state is any of 'Created', 'steady state' or 'Stopped'
-		return dependsOnContainerKnownStatus == apicontainerstatus.ContainerCreated ||
-			dependsOnContainerKnownStatus == apicontainerstatus.ContainerStopped ||
-			dependsOnContainerKnownStatus == dependsOnContainer.GetSteadyStateStatus()
+		return dependsOnContainerKnownStatus >= apicontainerstatus.ContainerCreated
 
 	case runningCondition:
 		if targetDesiredStatus == apicontainerstatus.ContainerCreated {