Adds the ability to filter GPU control list entries by pixel shader
version. This will be used to mass-exclude older cards from GPU raster.

crrev.com/2654993004 moves GPU blacklist calculation (for GPU raster) to the GPU proc, communicating GPU raster status with the renderer via context caps. This enables more advanced filtering like this.

BUG=648493
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2642923002
Cr-Commit-Position: refs/heads/master@{#449756}