Add style info for the C++ files
Add style info for the C++ files

Since this file doesn't comply with Google standard style, add some
hints for editors at the end to keep it consistent.

Change-Id: I95ed7f41a411011a986237c50662ae459eddf1e0

google/conscrypt,google/conscrypt,google/conscrypt,google/conscrypt,google/conscrypt,google/conscrypt