Review Request 45662: Upgrade build tools.

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/45662/ --- Review request for Aurora, Jake Farrell, Maxim Khutornenko, and Bill Farner.

Re: Review Request 45661: Upgrade build tools.

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/45661/#review126761 --- FYI: The corresponding aurora-packaging change is here:

Re: Review Request 45661: Upgrade build tools.

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/45661/#review126768 --- Ship it! Master (17ade11) is green with this patch.

Review Request 45661: Upgrade build tools.

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/45661/ --- Review request for Aurora, Jake Farrell, Maxim Khutornenko, and Bill Farner.