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

Change-Id: I8d5a554409115b29318089671ca4e1ab3fa98810
diff --git a/vendor/github.com/uber/jaeger-client-go/CODEOWNERS b/vendor/github.com/uber/jaeger-client-go/CODEOWNERS
new file mode 100644
index 0000000..0572efc
--- /dev/null
+++ b/vendor/github.com/uber/jaeger-client-go/CODEOWNERS
@@ -0,0 +1,2 @@
+
+* @jaegertracing/jaeger-maintainers