Add rule to add data_format arg to dilation2d.

This is the missing part of #30277.

This will make the converter script produce invalid code (until #30277 is in), but it's no worse than today at least.

PiperOrigin-RevId: 261195994

tensorflow/tools/compatibility/tf_upgrade_v2.py

@@ -1526,6 +1526,10 @@ def __init__(self):
             "'merge_repeated' argument and behaves as if merge_repeated=False. "
             "This call site specifies something other than "
             "merge_repeated=False, so it was converted to compat.v1."),
+        "tf.nn.dilation2d": functools.partial(
+            _add_argument_transformer,
+            arg_name="data_format",
+            arg_value_ast=ast.Str("NHWC")),
         "tf.nn.erosion2d": functools.partial(
             _add_argument_transformer,
             arg_name="data_format",

tensorflow/tools/compatibility/tf_upgrade_v2_test.py

@@ -2069,6 +2069,12 @@ def testNnErosion2d(self):
     _, _, _, new_text = self._upgrade(text)
     self.assertEqual(new_text, expected_text)
 
+  def testNnDilation2d(self):
+    text = "tf.nn.dilation2d(v, k, s, r, p)"
+    expected_text = "tf.nn.dilation2d(v, k, s, r, p, data_format='NHWC')"
+    _, _, _, new_text = self._upgrade(text)
+    self.assertEqual(new_text, expected_text)
+
   def testPywrapTensorflowWarning(self):
     text = "tf.pywrap_tensorflow.foo()"
     expected = "tf.pywrap_tensorflow.foo()"