Fix reboot action

BUG=chromium:420333
TEST=Tested against daisy in lab.
DEPLOY=test_importer

Change-Id: Icdfc303ab8ba7535403f7f4c7b2f43f7ed93d01b
Reviewed-on: https://chromium-review.googlesource.com/222614
Reviewed-by: Yusuf Mohsinally <mohsinally@chromium.org>
Reviewed-by: Kalin Stoyanov <kalin@chromium.org>
Tested-by: Kalin Stoyanov <kalin@chromium.org>
Commit-Queue: Kalin Stoyanov <kalin@chromium.org>
1 file changed