GitLab

This test stores a single pixels value in a file, then reads from the
file.

BUG=808232

Change-Id: I2573a1f98188d232f25ff2ceb11cc15e67cc768f
Reviewed-on: https://chromium-review.googlesource.com/963317Reviewed-by: Kenneth Russell <kbr@chromium.org>
Reviewed-by: Brandon Jones <bajones@chromium.org>
Reviewed-by: Brian Sheedy <bsheedy@chromium.org>
Commit-Queue: Bill Orr <billorr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#544902}