Re-ignore desk_googlespreadsheet on Intel 540 bot

Bug: skia:6863
Change-Id: Ic096f4837fd245475a5966a1b5da403027cf429f
Reviewed-on: https://skia-review.googlesource.com/151360
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
2 files changed