[ROCm] Use SkipLayerNorm original implementation in kernel explorer (#13382)
### Description
<!-- Describe your changes. -->
Wrap SkipLayerNormoriginal implementation as a function.
Use it as part of SkipLayerNormTunableOp.
Use it in Kernel explorer to compare the gap between TunableOp and
Original implementation.
the profile output like below:
`float16 8 512 768 <class
'_kernel_explorer.SkipLayerNorm_half_Original'> 23.48 us 804.04 GB/s
float16 8 512 768 <class '_kernel_explorer.SkipLayerNorm_half_Tunable'>
20.41 us 925.00 GB/s
...`
### Motivation and Context
<!-- - Why is this change required? What problem does it solve?
- If it fixes an open issue, please link to the issue here. -->
Co-authored-by: peixuanzuo <peixuanzuo@linmif39a000004.zvflicr54joexhdgnhvmxrxygg.phxx.internal.cloudapp.net>