ES31: Enable several SSBO end2end tests on D3D11
ES31: Enable several SSBO end2end tests on D3D11

This patch enables several SSBO tests on D3D11 in ANGLE end2end
tests.

Bug: angleproject:1951
Change-Id: I1ba78133e5bbe581e8330c1c43755c174e28bf39
Reviewed-on: https://chromium-review.googlesource.com/c/1415721
Reviewed-by: Jiajia Qin <18ef504dc2f2be7888c61ad30571995bf38d04e0@intel.com>
Reviewed-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Commit-Queue: Jiawei Shao <241587bb7633918ab0531d548b3d38489451600e@intel.com>

ppy/angle,ppy/angle,ppy/angle,ppy/angle