HardwareBufferImageSiblingVkAndroid, RenderbufferVk, SurfaceVk
and TextureVk all had similar code to initialize VkImage with
VK_KHR_image_format_list extension support. Consolidate all of
them into a helper.

Bug: angleproject:5520
Change-Id: Ib7ac582a35a26c0da15879e688bcaf0c2a92ea87
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2692641Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Mohan Maiya <m.maiya@samsung.com>