Vulkan: Lazily create swapchain image views In compliance with VK_SWAPCHAIN_CREATE_DEFERRED_MEMORY_ALLOCATION_BIT_EXT. Bug: angleproject:7878 Big: b/269606195 Change-Id: I917c6888b325f768dbc6384828a6e462792d3c0b Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4267510 Reviewed-by: Ian Elliott <ianelliott@google.com> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Chris Forbes <chrisforbes@google.com>