benchmarks: Ensure ELGs used by TransportBenchmark.NETTY_LOCAL are shutdown

This was an omission from #5492, sorry! Without it there are some ugly warnings in the log.
2019-03-26 16:29:07 -07:00 · 2019-03-26 16:29:07 -07:00 · a8c73811dd
parent 759e7a7fec
commit a8c73811dd
1 changed files with 1 additions and 0 deletions
--- a/benchmarks/src/jmh/java/io/grpc/benchmarks/TransportBenchmark.java
+++ b/benchmarks/src/jmh/java/io/grpc/benchmarks/TransportBenchmark.java
@ -105,6 +105,7 @@ public class TransportBenchmark {
            .eventLoopGroup(group)
            .channelType(LocalChannel.class)
            .negotiationType(NegotiationType.PLAINTEXT);
+        groupToShutdown = group;
        break;
      }
      case NETTY_EPOLL: