[VOL-4514] Addressing device reconciliation failure

See comments on https://jira.opencord.org/browse/VOL-4514

This change is dependent on the related proto and voltha lib go
changes to be merged first.  Until then jenkins will fail.

Change-Id: I8d99c3619d630677d402b9fb4b4f0bc22dd9a9f0
diff --git a/rw_core/core/device/agent.go b/rw_core/core/device/agent.go
index 1adf88c..2c69b28 100755
--- a/rw_core/core/device/agent.go
+++ b/rw_core/core/device/agent.go
@@ -1367,11 +1367,15 @@
 	if err := agent.requestQueue.WaitForGreenLight(ctx); err != nil {
 		return err
 	}
+	logger.Infow(ctx, "aborting-current-running-requests-after-wait", log.Fields{"device-id": agent.deviceID})
+
 	defer agent.requestQueue.RequestComplete()
 
 	// If any reconciling is in progress just abort it. The adapter is gone.
 	agent.stopReconcile()
 
+	logger.Infow(ctx, "aborting-current-running-requests-after-sendstop", log.Fields{"device-id": agent.deviceID})
+
 	// Update the Core device transient state accordingly
 	var updatedState core.DeviceTransientState_Types
 	switch agent.getTransientState() {
@@ -1515,7 +1519,7 @@
 
 	//making here to keep lifecycle of this channel within the scope of retryReconcile
 	agent.stopReconcilingMutex.Lock()
-	agent.stopReconciling = make(chan int)
+	agent.stopReconciling = make(chan int, 1)
 	agent.stopReconcilingMutex.Unlock()
 
 	// defined outside the retry loop so it can be cleaned
@@ -1591,6 +1595,8 @@
 		break retry
 	}
 
+	logger.Debugw(ctx, "reconcile-retry-ends", log.Fields{"adapter-endpoint": agent.adapterEndpoint})
+
 	// Retry loop is broken, so stop any timers and drain the channel
 	if backoffTimer != nil && !backoffTimer.Stop() {