* - Draft of implementation of refactoring

- compilation fix

* - Fixes after review

* - Removed unnecessary comment

* added op cast functionality for fp32/bf16

* added newline

* added entries in static mode white list and unity build

* fixed failing tests

* changes after review

* added formatting

* upgraded tests file as reviewer suggested

* changes after review

* minor change

* Add conv transpose BF16

* Share function GetWeightsTz

* Adjust to review and fix op compatibility

* Add bias to unique handler name

* Remove errors related to paddle enforce

* Add conv2d_transpose to bf16 list and kernel refator

* - Added UT for testing elementwise_mul caching

* lint fixes

* - Reimplemented elementwise_add grad

- lint

* - fix after review

* - Fix to fix after review

* added external reorder to profiler

* added external and internal reorders to profiler

* added internal and external reorder to profiler

* added formatting to int/ext reorder commit

* removed unnecessary comment

* conv dilated mkldnn support: forward and backward pass

* add mkldnn conv_transpose dilation UT
test=develop

* remove unnecessary PADDLE_ENFORCE

* add int8 and bf16 dilated conv UT

* update according to reviews

* Refine PADDLE_ENFORCE in paddle/fluid/platform
test=develop

* refine PADDLE_ENFORCE
test=develop

* Refactor of conv fp32 oneDNN operator
test=develop

* Formatting fix
test=develop

* Return Enforces
test=develop

* GetWeights improvements
test=develop

* Start implementing int8 eltwise add

test=develop

* - Fix to Michal PR

* - Fix

test=develop

* - Lint fixes

test=develop

* - Added checking if elementwise_mul can be used

test=develop

* - Added attribs to skip_attrs_set

test=develop

* - Improved broadcasting

test=develop

- fixes to compilation

- fix

- fix

- Lint fixes

test=develop

* - removed redundant condition

test=develop
Co-authored-by: NMichal Gallus <michal.gallus@intel.com>

* Add isCached() mechanism for BatchNorm and LRN oneDNN operators
test=develop

* Formatting fix
test=develop

* Update PADDLE_ENFORCE in DNNL related ops
test=develop

* Abstract macro of OP_GET_PLACE_CHECK
test=develop

* update according to reviews

* update GET_PLACE_CPU_CHECK

* fix typo
test=develop

* revert macro
test=develop

* Update isCached() to be thread freindly
test=develop

* Add isCached() check inside Softmax handler
test=develop

* Fix PaddleEnforce() message
test=develop

* Add isCached() mechanism to elementwise_add
test=develop

* Hide code inside handler
test=develop

test=develop

* Delete is_test from activation operators
test=develop

* Revent unneeded changes
test=develop