Vulkan: fix un-initialized mCompatiblePresentModes When VK_EXT_swapchain_maintenance1 is supported but VK_EXT_surface_maintenance1 is not, mCompatiblePresentModes has no chance to be initialized. So need to set it up in such case. Bug: None Change-Id: I38ac6d9da3d6cebf2effcdcd74084a53d68a32c2 Signed-off-by: Jiawei Gu <gujiawei.will@bytedance.com> Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6040834 Reviewed-by: Yuxin Hu <yuxinhu@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>