VOL-1381 and VOL-1091 Add feature to collect PMmetrics of OLT, this will collect Tx and Rx and posts to kafka. This commit is also related to changes of commit 72b25abd4e804596413558ef10f098c2262dd65d voltha-go
Updated review comments

Updated with code optimization
Updated with dep files
Updated fix for sanity test
Updated with gomod changes

Change-Id: I899e855812a6eda812c64664a9154321cdb16876
diff --git a/vendor/github.com/opencord/voltha-lib-go/v2/pkg/adapters/adapterif/events_proxy_if.go b/vendor/github.com/opencord/voltha-lib-go/v2/pkg/adapters/adapterif/events_proxy_if.go
index 00a86a5..1f70f27 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v2/pkg/adapters/adapterif/events_proxy_if.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v2/pkg/adapters/adapterif/events_proxy_if.go
@@ -24,6 +24,8 @@
 type EventProxy interface {
 	SendDeviceEvent(deviceEvent *voltha.DeviceEvent, category EventCategory,
 		subCategory EventSubCategory, raisedTs int64) error
+	SendKpiEvent(id string, deviceEvent *voltha.KpiEvent2, category EventCategory,
+		subCategory EventSubCategory, raisedTs int64) error
 }
 
 const (