arc: Fix presubmit errors reported in CL:1535623

BUG=None
TEST=git cl upload, try

Change-Id: I7b245269686f7b52bb5191a3cf4bc6e7849571f6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1535737
Commit-Queue: Yusuke Sato <yusukes@chromium.org>
Auto-Submit: Yusuke Sato <yusukes@chromium.org>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#644128}
1 file changed