[VOL-4291] Rw-core updates for gRPC migration

Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/uber/jaeger-client-go/thrift/transport_factory.go b/vendor/github.com/uber/jaeger-client-go/thrift/transport_factory.go
index 533d1b4..c805807 100644
--- a/vendor/github.com/uber/jaeger-client-go/thrift/transport_factory.go
+++ b/vendor/github.com/uber/jaeger-client-go/thrift/transport_factory.go
@@ -24,14 +24,14 @@
 // a ServerTransport and then may want to mutate them (i.e. create
 // a BufferedTransport from the underlying base transport)
 type TTransportFactory interface {
-	GetTransport(trans TTransport) TTransport
+	GetTransport(trans TTransport) (TTransport, error)
 }
 
 type tTransportFactory struct{}
 
 // Return a wrapped instance of the base Transport.
-func (p *tTransportFactory) GetTransport(trans TTransport) TTransport {
-	return trans
+func (p *tTransportFactory) GetTransport(trans TTransport) (TTransport, error) {
+	return trans, nil
 }
 
 func NewTTransportFactory() TTransportFactory {