[Enhance] Support evaluation for waymo dataset on s3 filesystem when tensorflow>=2.6.0 (#1958)

* support tensorflow>2.6.0

* add filter conditions

mmdet3d/evaluation/functional/waymo_utils/prediction_kitti_to_waymo.py

@@ -192,6 +192,13 @@ class KITTI2Waymo(object):
             file_idx (int): Index of the file to be converted.
         """
         file_pathname = self.waymo_tfrecord_pathnames[file_idx]
+        if 's3://' in file_pathname and tf.__version__ >= '2.6.0':
+            try:
+                import tensorflow_io as tfio  # noqa: F401
+            except ImportError:
+                raise ImportError(
+                    "Please run 'pip install tensorflow-io' to install tensorflow_io first."  # noqa: E501
+                )
         file_data = tf.data.TFRecordDataset(file_pathname, compression_type='')
 
         for frame_num, frame_data in enumerate(file_data):