[Flake] Interop ALTS java->go server time out #18111
Description
https://source.cloud.google.com/results/invocations/45c5d7af-84de-4ac3-8f27-ed0acb9b4c6d/targets/grpc%2Fcore%2Fpull_request%2Flinux%2Fgrpc_interop_alts/log
This looks very similar to #15434
2019-02-20 12:16:43,025 Running test ping_pong
Exception in thread "main" java.lang.AssertionError: Timed out waiting for response
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.assertTrue(Assert.java:41)
at org.junit.Assert.assertNotNull(Assert.java:712)
at io.grpc.testing.integration.AbstractInteropTest.pingPong(AbstractInteropTest.java:725)
at io.grpc.testing.integration.TestServiceClient.runTest(TestServiceClient.java:269)
at io.grpc.testing.integration.TestServiceClient.run(TestServiceClient.java:212)
at io.grpc.testing.integration.TestServiceClient.main(TestServiceClient.java:70)
Shutting down
2019-02-20 12:16:43,025 FAILED: cloud_to_cloud:java:go_server:ping_pong:alts [ret=1, pid=2259, time=7.2sec]