simplify DEPS using !=

Change-Id: I801fad16f64b1cce56ea5ecb1aced0e93bf992cd
Reviewed-on: https://chromium-review.googlesource.com/c/1364935
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#614382}
1 file changed