Blacklisting scaled_tilemodes_npot on GalaxyTab3

It now fails after a few minutes instead of timing 
out after 4 hours, so that's an improvement.

BUG=skia:

Change-Id: I3e9319711953a5dad7898eea507cd4d83db7842d
Reviewed-on: https://skia-review.googlesource.com/8729
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
3 files changed