Merge "Track ErrnoException API changes in libcore"

  public final class ErrnoException extends java.lang.Exception {

    ctor public ErrnoException(String, int);

    ctor public ErrnoException(String, int, Throwable);

    method @NonNull public java.io.IOException rethrowAsIOException() throws java.io.IOException;

    method @NonNull public java.net.SocketException rethrowAsSocketException() throws java.net.SocketException;

    field public final int errno;

  }