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kotlinlang

Any ideas? Nexus 7 2012 (Android 6.0.1) device
```Caused by java.util.ConcurrentModificationException:
       at java.util.HashMap$HashIterator.nextEntry(HashMap.java:787)
       at java.util.HashMap$KeyIterator.next(HashMap.java:814)
       at java.util.jar.JarVerifier.readCertificates(JarVerifier.java:266)
       at java.util.jar.JarFile.getInputStream(JarFile.java:380)
       at libcore.net.url.JarURLConnectionImpl.getInputStream(JarURLConnectionImpl.java:222)
       at java.net.URL.openStream(URL.java:470)
       at java.util.ServiceLoader$ServiceIterator.readClass(ServiceLoader.java:224)
       at java.util.ServiceLoader$ServiceIterator.hasNext(ServiceLoader.java:202)
       at kotlin.sequences.SequencesKt___SequencesKt.toList(SequencesKt___Sequences.kt:813)
       at kotlinx.coroutines.internal.MainDispatcherLoader.loadMainDispatcher(MainDispatchers.kt:31)
       at kotlinx.coroutines.internal.MainDispatcherLoader.<clinit>(MainDispatchers.kt:18)
       at kotlinx.coroutines.Dispatchers.getMain(Dispatchers.java:20)```

I don't think Kotlin itself is doing anything wrong here; the `ConcurrentModificationException` points to a bug in Android/Java :disappointed:

I found this: <https://issuetracker.google.com/issues/158468795>