Add InputStream and OutputStream to the well-known classes.

Needed for libcore change f6abc2f4fc2000a34b2ef86eccb83d37c22ef35f.

(cherry picked from commit 9bd4783be0af6ebd8f72e055e72fe40b63af1cda)

Change-Id: I4b84a9e110a6f504694ac8f6e682ebdd238ff8ba
2 files changed