fix test cases

Author: AgraVator

cronet/src/test/java/io/grpc/cronet/CronetClientTransportTest.java

@@ -128,7 +128,8 @@ public void shutdownTransport() throws Exception {
     BidirectionalStream.Callback callback2 = callbackCaptor.getValue();
     // Shut down the transport. transportShutdown should be called immediately.
     transport.shutdown();
-    verify(clientTransportListener).transportShutdown(any(Status.class));
+    verify(clientTransportListener).transportShutdown(any(Status.class),
+        any(DisconnectError.class));
     // Have two live streams. Transport has not been terminated.
     verify(clientTransportListener, times(0)).transportTerminated();