`git cl split`: Fix typos in cq_dry_run code
`git cl split`: Fix typos in cq_dry_run code

Bug: 878117
Change-Id: Ifb8af6bfcc6467ad9b79cf6292ebb8afc8f7e949
Reviewed-on: https://chromium-review.googlesource.com/1213588
Reviewed-by: John Budorick <17d38a2d68c6a07a3ab0ce4a2873c5acefbd3dbb@chromium.org>
Reviewed-by: Ryan Tseng <2190fe9a39b4920ec7bd59c848ec5cccd163056f@chromium.org>
Commit-Queue: Stephen Martinis <f3fbe4c4218d2421400bf0bd07366865fd7a0c7e@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools