tree beb8f46904af4c74cfcf600b4b91851d9c0f68fc
parent 8edab75672b978787c655f7ad5f81e12b0e012d3
author Josh Lehan <krellan@google.com> 1612337185 -0800
committer Josh Lehan <krellan@google.com> 1612337185 -0800

Update recommended C++ version standard

Updating the text from recommending C++ 14/17 to C++ 17/20.
This better matches the current reality.

Signed-off-by: Josh Lehan <krellan@google.com>
Change-Id: I771731dde64c9731d3a69b7be6014ea2aa4301e4