Inherit buffer tracking handles rather than recreating on resize (#2330)

This greatly speeds up games that constantly resize buffers, and removes stuttering on games that resize large buffers occasionally:

- Large improvement on Super Mario 3D All-Stars (#1663 needed for best performance)
- Improvement to Hyrule Warriors: AoC, and UE4 games. These games can still stutter due to texture creation/loading.
- Small improvement to other games, potential 1-frame stutters avoided.

`ForceSynchronizeMemory`, which was added with POWER, is no longer needed. Some tests have been added for the MultiRegionHandle.

Ryujinx.Cpu/Tracking/CpuRegionHandle.cs

@@ -21,6 +21,7 @@ namespace Ryujinx.Cpu.Tracking
         public void Dispose() => _impl.Dispose();
         public bool DirtyOrVolatile() => _impl.DirtyOrVolatile();
         public void ForceDirty() => _impl.ForceDirty();
+        public IRegionHandle GetHandle() => _impl;
         public void RegisterAction(RegionSignal action) => _impl.RegisterAction(action);
         public void RegisterDirtyEvent(Action action) => _impl.RegisterDirtyEvent(action);
         public void Reprotect(bool asDirty = false) => _impl.Reprotect(asDirty);