Vulkan: Change TextureVk's vk::FormatID usage to angle::FormatID This is preparation change to replace some vk::Format usage in TextureVk.cpp to angle::FormatID so that they will not get affected by the next CL which will change how you retrieve actualImageFormatID from vk::Format. Bug: b/196456356 Change-Id: I30ad8314da917e7a9c8a642ccbdc6facc44f9719 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3139233 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Ian Elliott <ianelliott@google.com> Commit-Queue: Charlie Lao <cclao@google.com>