Add FilesApp test resource: small.jpg

Add a small 100x100px jpeg test image. No change in behavior so no new
tests, just adding a resource.

Bug: 891150
Change-Id: I3ce460b3e8778b55fdd04fd9fd63891f32b7259f
Reviewed-on: https://chromium-review.googlesource.com/c/1263515
Commit-Queue: Noel Gordon <noel@chromium.org>
Reviewed-by: Stuart Langley <slangley@chromium.org>
Cr-Commit-Position: refs/heads/master@{#596953}
2 files changed