jsse: Use TLS 1.2 and AES as the default cipher.

Don't use the weak RC4 MD5 as the default cipher and by default allow
TLS 1.2.

http://op-co.de/blog/posts/android_ssl_downgrade/

Change-Id: I8ff3bd50b40a75c54e94f18e78ea54690bee3f87
Revert "jsse: Use TLS 1.2 and AES as the default cipher."

This reverts commit a3fd3e33d3cc469d9d9c10e3f23c658983360b66.

Change-Id: I13737b6cb0e31f0e6a49b5b736d54c665850d7b1