tree ea7569870c4dcb160f37f71134723486dd32cb4d
parent 8ec3e93e354d796defd0ef7ee88d4a782da7a3fe
author mfick <mogulguy10@gmail.com> 1542129972 -0700
committer David Pursehouse <dpursehouse@collab.net> 1542132311 +0000

Add --help to GerritLauncher

The launcher did not support any help switches, yet it did have a help
message which was output when no switches were supplied. Add a quick
--help switch and -h shorthand to make the launcher a bit friendlier
and safer to probe.

Change-Id: I6a6acfbaafc176894fbf4cbeb51452ea8018cf86
(cherry picked from commit 4b385d884d231da0e8afe1771ec14d5532f2750e)