Added support for using the ImageView's format
to perform clear operations.

Bug b/119620767

Tests: dEQP-VK.image.mutable.*_draw_copy

Change-Id: I3ea6d3264435bbd8390c7a8907e0c7a54c4c6783
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/28508Tested-by: Alexis Hétu <sugoi@google.com>
Presubmit-Ready: Alexis Hétu <sugoi@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Chris Forbes <chrisforbes@google.com>