[AT-VK][EZ] Move ops to dedicated folder (pytorch#120364)

These ops are at the level of the OperatorRegistry from the previous change. All ExecuTorch ops will go here.
```
ATen/native/vulkan/graph/ops
```
They are not to be confused with the general ATen ops from `native_functions.yaml` that will continue to exist. All PyTorch ops are here.
```
ATen/native/vulkan/ops
```

To help think around this split, note that we can actually implement the latter ATen ops with the former OperatorRegistry ops, since it's currently a subset.

Differential Revision: [D54030933](https://our.internmc.facebook.com/intern/diff/D54030933/)
Pull Request resolved: pytorch#120364
Approved by: https://github.com/SS-JIA
ghstack dependencies: pytorch#120362, pytorch#120363

Author: jorgep31415

aten/src/ATen/native/vulkan/graph/Functions.cpp

@@ -1,9 +1,10 @@
 #include <ATen/native/vulkan/impl/Arithmetic.h>
 #include <ATen/native/vulkan/impl/Common.h>
 
-#include <ATen/native/vulkan/graph/Arithmetic.h>
 #include <ATen/native/vulkan/graph/Functions.h>
-#include <ATen/native/vulkan/graph/Staging.h>
+
+#include <ATen/native/vulkan/graph/ops/Arithmetic.h>
+#include <ATen/native/vulkan/graph/ops/Staging.h>
 
 namespace at {
 namespace native {

aten/src/ATen/native/vulkan/graph/Graph.cpp

@@ -1,5 +1,6 @@
 #include <ATen/native/vulkan/graph/Graph.h>
-#include <ATen/native/vulkan/graph/Staging.h>
+
+#include <ATen/native/vulkan/graph/ops/Staging.h>
 
 namespace at {
 namespace native {

aten/src/ATen/native/vulkan/graph/Arithmetic.cpp aten/src/ATen/native/vulkan/graph/ops/Arithmetic.cpp

@@ -1,7 +1,7 @@
 #include <ATen/native/vulkan/impl/Common.h>
 
-#include <ATen/native/vulkan/graph/Arithmetic.h>
-#include <ATen/native/vulkan/graph/Staging.h>
+#include <ATen/native/vulkan/graph/ops/Arithmetic.h>
+#include <ATen/native/vulkan/graph/ops/Staging.h>
 
 namespace at {
 namespace native {

aten/src/ATen/native/vulkan/graph/Arithmetic.h aten/src/ATen/native/vulkan/graph/ops/Arithmetic.h

@@ -1,4 +1,4 @@
-#include <ATen/native/vulkan/graph/Copy.h>
+#include <ATen/native/vulkan/graph/ops/Copy.h>
 
 namespace at {
 namespace native {

aten/src/ATen/native/vulkan/graph/Copy.cpp aten/src/ATen/native/vulkan/graph/ops/Copy.cpp

@@ -1,6 +1,6 @@
 #include <ATen/native/vulkan/impl/Packing.h>
 
-#include <ATen/native/vulkan/graph/Staging.h>
+#include <ATen/native/vulkan/graph/ops/Staging.h>
 
 namespace at {
 namespace native {