Skip all .skps in 565.

More SKPs are failing with a 565 target on other platforms:

http://108.170.220.120:10117/builders/Test-Win7-ShuttleA-HD2000-x86-Debug/builds/2938/steps/RunNanobench/logs/stdio

BUG=skia:2797
R=mtklein@google.com

Author: mtklein@chromium.org

Review URL: https://codereview.chromium.org/431983006
1 file changed