Fix a typo spotted by James Hunt

BUG=chromium:199401
TEST=booted

(cherry picked from commit b5594d704690bd08e789a57db4054ece187b0ae9)
Reviewed-on: https://chromium-review.googlesource.com/2299
Change-Id: I035c9a82490cc2d1bf8e993894cbc2d249bdff90
1 file changed