Change ESLoggingHandler to OpenSearchLoggingHandler to pass failing t…

…est case org.opensearch.transport.netty4.OpenSearchLoggingHandlerIT.testLoggingHandler due to renaming (#461)

Signed-off-by: Harold Wang <harowang@amazon.com>

modules/transport-netty4/src/internalClusterTest/java/org/opensearch/transport/netty4/OpenSearchLoggingHandlerIT.java

@@ -56,7 +56,7 @@ public void tearDown() throws Exception {
     }
 
     @TestLogging(
-            value = "org.opensearch.transport.netty4.ESLoggingHandler:trace,org.opensearch.transport.TransportLogger:trace",
+            value = "org.opensearch.transport.netty4.OpenSearchLoggingHandler:trace,org.opensearch.transport.TransportLogger:trace",
             reason = "to ensure we log network events on TRACE level")
     public void testLoggingHandler() {
         final String writePattern =