[VOL-4291] OfAgent changes for gRPC migration

Change-Id: I8da1db6df49d478ef24ec8f9bd719e9692f48a7f
diff --git a/vendor/github.com/uber/jaeger-client-go/transport/http.go b/vendor/github.com/uber/jaeger-client-go/transport/http.go
index bb7eb00..1d6f14d 100644
--- a/vendor/github.com/uber/jaeger-client-go/transport/http.go
+++ b/vendor/github.com/uber/jaeger-client-go/transport/http.go
@@ -16,6 +16,7 @@
 
 import (
 	"bytes"
+	"context"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -167,7 +168,7 @@
 func serializeThrift(obj thrift.TStruct) (*bytes.Buffer, error) {
 	t := thrift.NewTMemoryBuffer()
 	p := thrift.NewTBinaryProtocolTransport(t)
-	if err := obj.Write(p); err != nil {
+	if err := obj.Write(context.Background(), p); err != nil {
 		return nil, err
 	}
 	return t.Buffer, nil