Create containers/ folder in api/ (#4181)

Summary:
Pull Request resolved: #4181

```
find . -type f -exec sed -i 's/api\/Tensor/api\/containers\/Tensor/g' {} +
find . -type f -exec sed -i 's/api\/ParamsBuffer/api\/containers\/ParamsBuffer/g' {} +
find . -type f -exec sed -i 's/api\/StorageBuffer/api\/containers\/StorageBuffer/g' {} +
```
ghstack-source-id: 233085712
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Reviewed By: SS-JIA

Differential Revision: D59527912

fbshipit-source-id: 09a152d42619ac649848c923c3ae7c6acf894489

Author: jorgep31415

backends/vulkan/runtime/api/api.h

@@ -9,10 +9,11 @@
 #pragma once
 
 #include <executorch/backends/vulkan/runtime/api/Context.h>
-#include <executorch/backends/vulkan/runtime/api/ParamsBuffer.h>
 #include <executorch/backends/vulkan/runtime/api/ShaderRegistry.h>
-#include <executorch/backends/vulkan/runtime/api/StorageBuffer.h>
-#include <executorch/backends/vulkan/runtime/api/Tensor.h>
+
+#include <executorch/backends/vulkan/runtime/api/containers/ParamsBuffer.h>
+#include <executorch/backends/vulkan/runtime/api/containers/StorageBuffer.h>
+#include <executorch/backends/vulkan/runtime/api/containers/Tensor.h>
 
 #include <executorch/backends/vulkan/runtime/utils/VecUtils.h>
 

backends/vulkan/runtime/api/ParamsBuffer.cpp renamed to backends/vulkan/runtime/api/containers/ParamsBuffer.cpp

@@ -6,7 +6,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-#include <executorch/backends/vulkan/runtime/api/ParamsBuffer.h>
+#include <executorch/backends/vulkan/runtime/api/containers/ParamsBuffer.h>
 
 #include <cstring>
 

backends/vulkan/runtime/api/ParamsBuffer.h renamed to backends/vulkan/runtime/api/containers/ParamsBuffer.h

@@ -6,7 +6,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-#include <executorch/backends/vulkan/runtime/api/Tensor.h>
+#include <executorch/backends/vulkan/runtime/api/containers/Tensor.h>
 
 #include <executorch/backends/vulkan/runtime/vk_api/VkUtils.h>
 

backends/vulkan/runtime/api/StorageBuffer.h renamed to backends/vulkan/runtime/api/containers/StorageBuffer.h

@@ -11,7 +11,8 @@
 // @lint-ignore-every CLANGTIDY facebook-hte-BadMemberName
 
 #include <executorch/backends/vulkan/runtime/api/Context.h>
-#include <executorch/backends/vulkan/runtime/api/ParamsBuffer.h>
+
+#include <executorch/backends/vulkan/runtime/api/containers/ParamsBuffer.h>
 
 #include <executorch/backends/vulkan/runtime/utils/StorageUtils.h>
 

backends/vulkan/runtime/api/Tensor.cpp renamed to backends/vulkan/runtime/api/containers/Tensor.cpp

@@ -10,8 +10,7 @@
 
 // @lint-ignore-every CLANGTIDY facebook-hte-BadMemberName
 
-#include <executorch/backends/vulkan/runtime/api/Context.h>
-#include <executorch/backends/vulkan/runtime/api/Tensor.h>
+#include <executorch/backends/vulkan/runtime/api/api.h>
 
 #include <executorch/backends/vulkan/runtime/vk_api/Types.h>
 

backends/vulkan/runtime/api/Tensor.h renamed to backends/vulkan/runtime/api/containers/Tensor.h

@@ -10,8 +10,7 @@
 
 // @lint-ignore-every CLANGTIDY facebook-hte-BadMemberName
 
-#include <executorch/backends/vulkan/runtime/api/Context.h>
-#include <executorch/backends/vulkan/runtime/api/Tensor.h>
+#include <executorch/backends/vulkan/runtime/api/api.h>
 
 #include <executorch/backends/vulkan/runtime/graph/containers/Constant.h>
 #include <executorch/backends/vulkan/runtime/graph/containers/Types.h>

backends/vulkan/runtime/graph/containers/SharedObject.h

@@ -21,7 +21,7 @@ namespace vkapi {
 
 class VulkanFence final {
  public:
-  // TODO: This is required for the lazy allocation pattern in api/Tensor.
+  // TODO: This is required for the lazy allocation pattern in api::vTensor.
   //       It will be disabled pending future refactors.
   explicit VulkanFence();