[GPU] Display swap output in the trace viewer

Resolve output is unreliable because resolving may be done to a subregion of a texture and even to 3D textures, and to any color format

src/xenia/gpu/d3d12/d3d12_command_processor.cc

@@ -1718,10 +1718,6 @@ void D3D12CommandProcessor::OnGammaRampPWLValueWritten() {
 void D3D12CommandProcessor::IssueSwap(uint32_t frontbuffer_ptr,
                                       uint32_t frontbuffer_width,
                                       uint32_t frontbuffer_height) {
-  // FIXME(Triang3l): frontbuffer_ptr is currently unreliable, in the trace
-  // player it's set to 0, but it's not needed anyway since the fetch constant
-  // contains the address.
-
   SCOPE_profile_cpu_f("gpu");
 
   ui::Presenter* presenter = graphics_system_->presenter();