Uniformize kwargs for LLaVa processor and update docs (#32858)
* Uniformize kwargs for LlaVa and update docs
* Change order of processor inputs in docstring
* Improve BC support for reversed images and text inputs
* cleanup llava processor call docstring
* Add encoded inputs as valid text inputs in reverse input check, add deprecation version in warning
* Put function check reversed images text outside base processor class
* Refactor _validate_images_text_input_order
* Add ProcessingUtilTester
* fix processing and test_processing