Default deqp to Vulkan on !Apple To avoid having to specify --use-angle=vulkan every time. Particularly useful for running deqp tests on Android through renderdoc as setting more-than-one command line argument is impossible. Bug: angleproject:3647 Change-Id: I5ed6ec8fc4febc7f0febe0922a121b26df5581f9 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2544906 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>