FirebaseFunctionsException: INTERNAL on cancelled HttpsCallable.call(...)

```
com.google.firebase.functions.FirebaseFunctionsException: INTERNAL
at com.google.firebase.functions.FirebaseFunctions$2.onFailure(FirebaseFunctions.java:377)
at okhttp3.RealCall$AsyncCall.execute(RealCall.java:211)
at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.io.IOException: Canceled
at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:121)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147)
at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121)
at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:257)
at okhttp3.RealCall$AsyncCall.execute(RealCall.java:201)
... 4 more
```
Does `IOException` need to be handled here? https://github.com/firebase/firebase-android-sdk/blob/main/firebase-functions/src/main/java/com/google/firebase/functions/FirebaseFunctions.java#L375