[TOSA] Add reflection_pad3d lowering (llvm#3933)

- Add Torch to TOSA legalization for `aten.replication_pad3d`
- Add new e2e tests and update xfail sets
- Add new LIT test to basic.mlir

Author: sahas3

include/torch-mlir/Dialect/Torch/IR/GeneratedTorchOps.td

@@ -9997,6 +9997,30 @@ def Torch_AtenReflectionPad2dOp : Torch_Op<"aten.reflection_pad2d", [
   }];
 }
 
+def Torch_AtenReflectionPad3dOp : Torch_Op<"aten.reflection_pad3d", [
+    AllowsTypeRefinement,
+    HasValueSemantics,
+    ReadOnly
+  ]> {
+  let summary = "Generated op for `aten::reflection_pad3d : (Tensor, int[]) -> (Tensor)`";
+  let arguments = (ins
+    AnyTorchTensorType:$self,
+    AnyTorchListOfTorchIntType:$padding
+  );
+  let results = (outs
+    AnyTorchOptionalTensorType:$result
+  );
+  let hasCustomAssemblyFormat = 1;
+  let extraClassDefinition = [{
+    ParseResult AtenReflectionPad3dOp::parse(OpAsmParser &parser, OperationState &result) {
+      return parseDefaultTorchOp(parser, result, 2, 1);
+    }
+    void AtenReflectionPad3dOp::print(OpAsmPrinter &printer) {
+      printDefaultTorchOp(printer, *this, 2, 1);
+    }
+  }];
+}
+
 def Torch_AtenPadOp : Torch_Op<"aten.pad", [
     AllowsTypeRefinement,
     HasValueSemantics,