Add QUIC_EXPORT_PRIVATE to the CreateCryptoServerStream declaration.
gfe-relnote: n/a (No GFE change)
PiperOrigin-RevId: 289149168
Change-Id: I755ff5f37e33b99b0641e020ff065746eb8ca24e
QUICHE (QUIC, Http/2, Etc) is Google‘s implementation of QUIC and related protocols. It powers Chromium as well as Google’s QUIC servers and some other projects.