Check GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS in test If the vertex shader uses shader storage buffer objects, we need to check GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS is at least of size 1. Bug: angleproject:7185 Change-Id: I98d83f9f0cc30e92fdcaee15541fdde96652b38e Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3858144 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Charlie Lao <cclao@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>