Vulkan: Test render and sample the same texture but with different LOD This simulates aztec ruin's usage. This works properly on native OpenGL but generates validation error on vulkan backend and renders incorrect as well. Bug: b/175584609 Test: FramebufferTest_ES3.SampleFromAttachedTextureWithDifferentLOD Change-Id: I402c205a1b625669cae29ee201dddd144e0dfbde Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2743797 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Tim Van Patten <timvp@google.com> Commit-Queue: Charlie Lao <cclao@google.com>