Make tester partitioner default partitioner

Differential Revision: D49214926

fbshipit-source-id: e70cc64056bb799d86dd9b501844dfeeab2ebcef

Author: mcr229

backends/xnnpack/test/tester/tester.py

@@ -12,9 +12,7 @@
 import torch
 import torch._export as export
 from executorch import exir
-from executorch.backends.xnnpack.partition.xnnpack_partitioner import (
-    XnnpackFloatingPointPartitioner,
-)
+from executorch.backends.xnnpack.partition.xnnpack_partitioner import XnnpackPartitioner
 from executorch.backends.xnnpack.passes import XNNPACKPassManager
 from executorch.backends.xnnpack.utils.configs import (
     get_xnnpack_capture_config,
@@ -184,7 +182,7 @@ def graph_module(self) -> str:
 @register_stage
 class Partition(Stage):
     def __init__(self, partitioner: Optional[Partitioner] = None):
-        self.partitioner = partitioner or XnnpackFloatingPointPartitioner
+        self.partitioner = partitioner or XnnpackPartitioner
         self.delegate_module = None
 
     def run(self, artifact: ExirExportedProgram, inputs=None):