The adapter last_communication is now updated when a message is received from an adapter.

For VOL-2207.  Please consider these related patchsets together:
https://gerrit.opencord.org/#/q/VOL-2207

Change-Id: I52702c6e15292a9a443b11ee7f63dabf7b43e65a
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_client.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_client.go
index 62af5db..38f147e 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_client.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_client.go
@@ -112,7 +112,7 @@
 }
 
 func (kc *KafkaClient) SubscribeForMetadata(_ func(fromTopic string, timestamp int64)) {
-	panic("unimplemented")
+	logger.Debug("SubscribeForMetadata - unimplemented")
 }
 
 func (kc *KafkaClient) Send(msg interface{}, topic *kafka.Topic, keys ...string) error {
@@ -137,9 +137,11 @@
 }
 
 func (kc *KafkaClient) EnableLivenessChannel(enable bool) chan bool {
+	logger.Debug("EnableLivenessChannel - unimplemented")
 	return nil
 }
 
 func (kc *KafkaClient) EnableHealthinessChannel(enable bool) chan bool {
+	logger.Debug("EnableHealthinessChannel - unimplemented")
 	return nil
 }