* platform module

* Update profiler.h

* Fuse Convolution and Eltwise Add into Conv+Bias

* Reduce bias branching at conv_mkldnn_op

* Add MKLDNN build checks for Conv Bias

* Conv-bias: check if bias input exist befor assignment

* Conv-bias: Remove Bias dim check from infershape

It was causing conv3d test to crash upon\ncalling HasInput(Bias)

* cudnn widndows

* "add comment"

* "windows support"

* "fix cmake error"

* "fix bug"

* "add test case"

Add a few more RecordEvent.
Cleanup

* "rewrite the test case"

* "follow comment"

* cherry picked

* "cherry picked platform"

* "add comment"

* "fix ci"