VOL-4217: Update to latest version of protos and voltha-lib-go for
voltha-2.9 release. Tested with BAL3.10

Change-Id: Ibdc5978a1f2df713965a27ce26d0e22c1ffa366a
diff --git a/vendor/github.com/opentracing/opentracing-go/ext/field.go b/vendor/github.com/opentracing/opentracing-go/ext/field.go
new file mode 100644
index 0000000..8282bd7
--- /dev/null
+++ b/vendor/github.com/opentracing/opentracing-go/ext/field.go
@@ -0,0 +1,17 @@
+package ext
+
+import (
+	"github.com/opentracing/opentracing-go"
+	"github.com/opentracing/opentracing-go/log"
+)
+
+// LogError sets the error=true tag on the Span and logs err as an "error" event.
+func LogError(span opentracing.Span, err error, fields ...log.Field) {
+	Error.Set(span, true)
+	ef := []log.Field{
+		log.Event("error"),
+		log.Error(err),
+	}
+	ef = append(ef, fields...)
+	span.LogFields(ef...)
+}