CRAS: input_data_unittest: Fix memory leak

BUG=chromium:973745
TEST=FEATURES=test USE=asan emerge-${BOARD} adhd

Change-Id: I2de5aede7ec5509a83efc7f154d946ded03a5465
Reviewed-on: https://chromium-review.googlesource.com/1677884
Tested-by: Chih-Yang Hsia <paulhsia@chromium.org>
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Hsinyu Chao <hychao@chromium.org>
1 file changed