This reverts commit bd61127.

This reverts commit 1268968.

Sourced from:
https://github.com/akamai/openssl/commits/OpenSSL_1_1_1d-quic

This is a cherry-pick of 2a4b03a306439307e0b822b17eda3bdabddfbb68
on the master-quic-support2 branch (2019-10-07)
Which was a rebase/squash of master-quic-support:

* 5aa62ce Add support for more secrets - Todd Short/Todd Short
(master-quic-support)
* 58e0643 Tweeks to quic_change_cipher_state() - Todd Short/Todd Short
* 8169702 Move QUIC code out of tls13_change_cipher_state() - Todd
Short/Todd Short
* a08cfe6 Correctly disable middlebox compat - Todd Short/Todd Short
* 3a9eabf Add OPENSSL_NO_QUIC wrapper - Todd Short/Todd Short
* f550eca Add client early traffic secret storage - Todd Short/Todd
Short
* 1b787ae Quick fix: s2c to c2s for early secret - Todd Short/Todd Short
* f97e6a9 Don't process an incomplete message - Todd Short/Todd Short
* 81f0ce2 Reset init state in SSL_process_quic_post_handshake() - Todd
Short/Todd Short
* 5d59cf9 Fix quic_transport constructors/parsers - Todd Short/Todd
Short
* 5e5f91c Fix INSTALL nit. - Todd Short/Todd Short
* bd290ab Fix duplicate word in docs - Todd Short/Todd Short
* 699590b fixup! Handle partial handshake messages - Todd Short/Todd
Short
* a472a8d Handle partial handshake messages - Todd Short/Todd Short
* 363cf3d fixup! Use proper secrets for handshake - Todd Short/Todd
Short
* b03fee6 Use proper secrets for handshake - Todd Short/Todd Short
* 2ab1aa0 Move QUIC transport params to encrypted extensions - Todd
Short/Todd Short
* 0d16af9 Make temp secret names less confusing - Todd Short/Todd Short
* abb6f39 New method to get QUIC secret length - Todd Short/Todd Short
* 05fdae9 Add support for BoringSSL QUIC APIs - Todd Short/Todd Short

This adds a compatible API for BoringSSL's QUIC support, based
on the current |draft-ietf-quic-tls|.

Based on BoringSSL commit 3c034b2cf386b3131f75520705491871a2e0cafe
Based on BoringSSL commit c8e0f90f83b9ec38ea833deb86b5a41360b62b6a
Based on BoringSSL commit 3cbb0299a28a8bd0136257251a78b91a96c5eec8
Based on BoringSSL commit cc9d935256539af2d3b7f831abf57c0d685ffd81
Based on BoringSSL commit e6eef1ca16a022e476bbaedffef044597cfc8f4b
Based on BoringSSL commit 6f733791148cf8a076bf0e95498235aadbe5926d
Based on BoringSSL commit 384d0eaf1930af1ebc47eda751f0c78dfcba1c03
Based on BoringSSL commit a0373182eb5cc7b81d49f434596b473c7801c942
Based on BoringSSL commit b1b76aee3cb43ce11889403c5334283d951ebd37

New method to get QUIC secret length

Make temp secret names less confusing

Move QUIC transport params to encrypted extensions

Use proper secrets for handshake

fixup! Use proper secrets for handshake

Handle partial handshake messages

fixup! Handle partial handshake messages

Fix duplicate word in docs

Fix INSTALL nit.

Fix quic_transport constructors/parsers

Reset init state in SSL_process_quic_post_handshake()

Don't process an incomplete message

Quick fix: s2c to c2s for early secret

Add client early traffic secret storage

Add OPENSSL_NO_QUIC wrapper

Correctly disable middlebox compat

Move QUIC code out of tls13_change_cipher_state()

Create quic_change_cipher_state() that does the minimal required
to generate the QUIC secrets. (e.g. encryption contexts are not
initialized).

Tweeks to quic_change_cipher_state()

Add support for more secrets