Disallow peer-initiated renegotiations in DTLS.

We have no use for DTLS renego and it's even more complex than TLS renego.

Change-Id: I8680ab361cc8761dd7fc8dfb1bfe1ff4abc6612f
Reviewed-on: https://boringssl-review.googlesource.com/3218
Reviewed-by: Adam Langley <agl@google.com>
1 file changed