SpeechRecognitionClient app crashes when a phone is rotated

[volkovss]

App work, but it crashes if the phone is rotated
Below the error:
E/AndroidRuntime: FATAL EXCEPTION: grpc-okhttp-1
Process: com.google.cloud.examples.speechrecognition, PID: 3719
java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask@ae66b7 rejected from java.util.concurrent.ScheduledThreadPoolExecutor@5cf29b6[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 3]
at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2078)
at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:843)
at java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute(ScheduledThreadPoolExecutor.java:334)
at java.util.concurrent.ScheduledThreadPoolExecutor.schedule(ScheduledThreadPoolExecutor.java:562)
at java.util.concurrent.ScheduledThreadPoolExecutor.execute(ScheduledThreadPoolExecutor.java:654)
at io.grpc.internal.SerializingExecutor.schedule(SerializingExecutor.java:93)
at io.grpc.internal.SerializingExecutor.execute(SerializingExecutor.java:86)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.closed(ClientCallImpl.java:594)
at io.grpc.internal.DelayedStream$DelayedStreamListener$4.run(DelayedStream.java:418)
at io.grpc.internal.DelayedStream$DelayedStreamListener.delayOrExecute(DelayedStream.java:372)
at io.grpc.internal.DelayedStream$DelayedStreamListener.closed(DelayedStream.java:415)
at io.grpc.internal.AbstractClientStream$TransportState.closeListener(AbstractClientStream.java:392)
at io.grpc.internal.AbstractClientStream$TransportState.access$300(AbstractClientStream.java:200)
at io.grpc.internal.AbstractClientStream$TransportState$1.run(AbstractClientStream.java:376)
at io.grpc.internal.AbstractClientStream$TransportState.deframerClosed(AbstractClientStream.java:245)
at io.grpc.internal.Http2ClientStreamTransportState.deframerClosed(Http2ClientStreamTransportState.java:31)
at io.grpc.okhttp.OkHttpClientStream$TransportState.deframerClosed(OkHttpClientStream.java:275)
at io.grpc.internal.MessageDeframer.close(MessageDeframer.java:233)
at io.grpc.internal.MessageDeframer.closeWhenComplete(MessageDeframer.java:195)
at io.grpc.internal.AbstractStream$TransportState.closeDeframer(AbstractStream.java:180)
at io.grpc.internal.AbstractClientStream$TransportState.transportReportStatus(AbstractClientStream.java:379)
at io.grpc.okhttp.OkHttpClientTransport.startGoAway(OkHttpClientTransport.java:739)
at io.grpc.okhttp.OkHttpClientTransport.access$1900(OkHttpClientTransport.java:92)
at io.grpc.okhttp.OkHttpClientTransport$ClientFrameHandler.run(OkHttpClientTransport.java:936)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)