* tools/atc/email-stats.py: Adjust the order in which Gerrit E-mail
addresses are returned so that the one listed as the preferred
address is sorted to the beginning of the set.
Change-Id: I95b5817ada58f4059df4f5c0b406183f1c1e5b74
* tools/atc/email_stats.py: Move procedural code out of the global
scope to make this file safely importable, and clean up a couple of
unused variables flake8 noticed in the newly importable main
codeblock.
Change-Id: I1a29c84e067eea875ba57a16196723f65f60ff01
Rename tools/atc/email-stats.py to tools/atc/email_stats.py in
preparation for making it an importable module. This is being
separated from the subsequent change to make it more reviewable.
Change-Id: I1907de0715c96f54edb44910746fbb24a5ab8665