[PTen] Remove fluid device context deps (#39604)

* remove fluid device context deps

* fix compile failde

paddle/pten/core/kernel_utils.h

@@ -14,7 +14,9 @@
 
 #pragma once
 
-#include "paddle/pten/backends/all_context.h"
+#include "paddle/pten/backends/cpu/cpu_context.h"
+#include "paddle/pten/backends/gpu/gpu_context.h"
+#include "paddle/pten/backends/xpu/xpu_context.h"
 #include "paddle/pten/common/scalar.h"
 #include "paddle/pten/common/scalar_array.h"
 #include "paddle/pten/core/dense_tensor.h"

paddle/pten/kernels/gpu/copy_kernel.cu

@@ -21,6 +21,7 @@ limitations under the License. */
 
 // See Note [ Why still include the fluid headers? ]
 #include "paddle/fluid/memory/memcpy.h"
+#include "paddle/fluid/platform/device_context.h"
 
 namespace pten {
 

paddle/pten/tests/api/test_matmul_api.cc

@@ -23,6 +23,8 @@ limitations under the License. */
 #include "paddle/pten/core/kernel_registry.h"
 #include "paddle/pten/kernels/copy_kernel.h"
 
+// See Note [ Why still include the fluid headers? ]
+#include "paddle/fluid/platform/device_context.h"
 namespace paddle {
 namespace tests {