The area passed to FramebufferVk::invalidateSub is not rotated, but was
being compared with the rotated framebuffer dimensions / render area.

Bug: angleproject:5264
Change-Id: I2de181bf77ad650418b757a3848395bbdab13d8a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2508978
Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Ian Elliott <ianelliott@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>