[VOL-2694] Use package specific logger instance in all log statements

Change-Id: Icf1cb5ade42e42179aed7731b767af2f52481e3d
diff --git a/rw_core/core/device_state_transitions.go b/rw_core/core/device_state_transitions.go
index 610b3aa..3bf01ec 100644
--- a/rw_core/core/device_state_transitions.go
+++ b/rw_core/core/device_state_transitions.go
@@ -19,7 +19,6 @@
 import (
 	"context"
 	"github.com/opencord/voltha-go/rw_core/coreif"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
 	"github.com/opencord/voltha-protos/v3/go/voltha"
 )
 
@@ -296,13 +295,13 @@
 		return nil
 	}
 
-	//log.Infow("DeviceType", log.Fields{"device": pDevice})
+	//logger.Infow("DeviceType", log.Fields{"device": pDevice})
 	deviceType := parent
 	if !pDevice.Root {
-		log.Info("device is child")
+		logger.Info("device is child")
 		deviceType = child
 	}
-	log.Infof("deviceType:%d-deviceId:%s-previous:%v-current:%v", deviceType, pDevice.Id, pState, cState)
+	logger.Infof("deviceType:%d-deviceId:%s-previous:%v-current:%v", deviceType, pDevice.Id, pState, cState)
 
 	//2. Go over transition array to get the right transition
 	var currentMatch []TransitionHandler