CRAS: test_client - Fix wrong closing paren.

BUG=None
TEST=emerge-${BOARD} adhd

Change-Id: Iced6470310c66209fc39dce38270f96cb3afe767
Reviewed-on: https://chromium-review.googlesource.com/479592
Commit-Ready: Chinyue Chen <chinyue@chromium.org>
Tested-by: Chinyue Chen <chinyue@chromium.org>
Reviewed-by: Hsinyu Chao <hychao@chromium.org>
1 file changed