Blocks should be synchronized on read-only fields (#5212)

* Blocks should be synchronized on read-only fields

* more readonlys

* fix alignment

* more

* Update ISelfController.cs

* simplify new

* simplify new

src/Ryujinx.HLE/HOS/Services/SurfaceFlinger/BufferQueueCore.cs

@@ -34,7 +34,7 @@ namespace Ryujinx.HLE.HOS.Services.SurfaceFlinger
         public bool                  EnableExternalEvent;
         public int                   MaxBufferCountCached;
 
-        public readonly object Lock = new object();
+        public readonly object Lock = new();
 
         private KEvent _waitBufferFreeEvent;
         private KEvent _frameAvailableEvent;