* Reference tests via OpenVINO 2.0
* Migrated to new API acos test
* Fixed other tests compilation
* Fixed tests
* Reference tests use ov::
* Fixed compilation
* minor changes in Op class and add ref impl for acosh
* acosh in new test framework
* add Acosh type test
* add SLT for Acosh
* run more test
* new acosh plugin test
* add visitor test
* fix test utils
* add template test for all supported types in Acosh
* add builder to template tests
* update grn template_plugin test
* update maste to feature branch
* Add GRN shared single layer test instance for CPU
* Remove GRN backend tests from fused_op.in
* Init GRN new template reference tests
* Add more bias values to GRN single layer tests
* Add more GRN template reference test cases
* Remove unused parameter from GrnParams
* Refactor GRN template referene tests and add more types
* Add anonymous namespace
* Add bf16 type to cpu single layer tests
* Add Serialization test
* Add GRN to revised ops
Ilya Lavrenov