Steve Suh

[BUG]: JvmBridge registering CLR garbage collector threads with JvmThreadPoolGC

1

**Describe the bug** When the finalizer is called for CLR [JvmObjectId](https://github.com/dotnet/spark/blob/b0a3068bd8df2a5e8d1754cf2f1f50d38d37f57b/src/csharp/Microsoft.Spark/Interop/Ipc/JvmObjectReference.cs#L33) objects, it calls the `rm` DotnetBackend method and this calls goes through the `JvmBridge` class. Because the `rm` call...