Ensures that selection test data files are non-empty on the bots by adding data dependency to the BUILD file

In case the files are somehow not found or unreadable on the bots, the tests should fail.
R=dmazzoni@chromium.org

Change-Id: I31668ab7a1b023a9eeda251b3ae0e7079f262171
Reviewed-on: https://chromium-review.googlesource.com/c/1324232
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Commit-Queue: Nektarios Paisios <nektar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606858}
2 files changed