Add missing support for Flax XLM-RoBERTa (#15900)
* Adding Flax XLM-RoBERTa
* Add Flax to __init__
* Adding doc and dummy objects
* Add tests
* Add Flax XLM-R models autodoc
* Fix tests
* Add Flask XLM-RoBERTa to TEST_FILES_WITH_NO_COMMON_TESTS
* Update src/transformers/models/xlm_roberta/modeling_flax_xlm_roberta.py
Co-authored-by: Suraj Patil <surajp815@gmail.com>
* Update tests/xlm_roberta/test_modeling_flax_xlm_roberta.py
Co-authored-by: Suraj Patil <surajp815@gmail.com>
* Update tests/xlm_roberta/test_modeling_flax_xlm_roberta.py
Co-authored-by: Suraj Patil <surajp815@gmail.com>
* Remove test on large Flask XLM-RoBERTa
* Add tokenizer to the test
Co-authored-by: Suraj Patil <surajp815@gmail.com>
