turn on dim order in vulkan backend tests (#7847)

Summary:

this diff turns on dim order in Vulcan tests.

Notice that this diff does not touch the internal Vulkan tests to avoid unnecessary errors or burdens.

Reviewed By: SS-JIA

Differential Revision: D68237397

backends/vulkan/test/test_vulkan_delegate.py

@@ -32,7 +32,7 @@
 
 class TestBackends(unittest.TestCase):
     _edge_compile_config: EdgeCompileConfig = EdgeCompileConfig(
-        _skip_dim_order=True,  # TODO(T182928844): Delegate dim order op to backend.
+        _skip_dim_order=False,  # TODO(T182928844): Delegate dim order op to backend.
     )
 
     def assert_outputs_equal(