Vulkan: Skip dEQP clip/cull tests for GS/TS * Skipped the following KHR-GLES3 tests on the Vulkan backend: *.cull_distance.functional_test_item_{5/6}_* Bug: angleproject:42264006 Bug: b/415288635 Bug: b/353358652 Change-Id: I0cc052a66fa91d2c8e4e9f433bec9a3db2962bb9 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6720745 Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Commit-Queue: Amirali Abdolrashidi <abdolrashidi@google.com>