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

Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/uber/jaeger-client-go/sampler_remote_options.go b/vendor/github.com/uber/jaeger-client-go/sampler_remote_options.go
index e4a6108..64b028b 100644
--- a/vendor/github.com/uber/jaeger-client-go/sampler_remote_options.go
+++ b/vendor/github.com/uber/jaeger-client-go/sampler_remote_options.go
@@ -140,10 +140,7 @@
 		o.samplingRefreshInterval = defaultSamplingRefreshInterval
 	}
 	if o.samplingFetcher == nil {
-		o.samplingFetcher = &httpSamplingStrategyFetcher{
-			serverURL: o.samplingServerURL,
-			logger:    o.logger,
-		}
+		o.samplingFetcher = newHTTPSamplingStrategyFetcher(o.samplingServerURL, o.logger)
 	}
 	if o.samplingParser == nil {
 		o.samplingParser = new(samplingStrategyParser)