disableLogging() causes partitions to not be consumed

Using disableLogging() for either of the built-in state store types causes an initialization loop in the StreamThread.

Case A - this works just fine:

		final StateStoreSupplier testStore = Stores.create(topic)
				.withStringKeys()
				.withStringValues()
				.inMemory()
//				.disableLogging() 
				.maxEntries(10)
				.build();

Case B - this does not:

		final StateStoreSupplier testStore = Stores.create(topic)
				.withStringKeys()
				.withStringValues()
				.inMemory()
				.disableLogging() 
				.maxEntries(10)
				.build();

A brief debugging dive shows that in Case B, AssignedTasks.allTasksRunning() never returns true, because of a remnant entry in AssignedTasks#restoring that never gets properly restored.

See App.java for a working test (requires ZK + Kafka ensemble, and at least one keyed message produced to the "test" topic)