In testing out the ECH bits on the Chromium side, it is much harder to
tell what's going on without some indication that we sent a
ClientHelloInner. This CL routes it into the callback. A corresponding
CL in Chromium will add it to NetLog.
Bug: 275
Change-Id: I945ab2679614583e875a0ba90d6cf1481ed315d9
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/51205
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: David Benjamin <davidben@google.com>