Split FramebufferVk::getCompleteRenderArea() into 2, [non-]rotated, explicitly-named methods. Simplify the uses of these methods, and fix some rotation cases. Also explicitly-name FramebufferVk::getScissoredRenderArea(). Bug: b/151111296 Change-Id: I1754ec2796fd8625b916a2dba2e723e70ecba419 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2305389Reviewed-by: Charlie Lao <cclao@google.com> Reviewed-by: Ian Elliott <ianelliott@google.com> Reviewed-by: Tim Van Patten <timvp@google.com> Commit-Queue: Ian Elliott <ianelliott@google.com>
