OpenSSL: prefer ChaCha20 ciphersuites.

ChaCha20 is safe and fast on all hardware, while AES-GCM is only so when using
hardware support. Google servers will be using the client's preference to
select between ChaCha20 and AES-GCM and this change makes ChaCha the top
preference on Android.

BUG=310768

https://codereview.chromium.org/76823002/


git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/openssl@236537 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
3 files changed