Use asymmetric mkldnn convolutions for padding='same' convolutions

[peterbell10]

Stack from ghstack:

• WIP: Support strided convolutions with padding='same' #52631 WIP: Support strided convolutions with padding='same'
• Use asymmetric mkldnn convolutions for padding='same' convolutions #45668 Use asymmetric mkldnn convolutions for padding='same' convolutions
• Add padding='same' mode to conv{1,2,3}d #45667 Add padding='same' mode to conv{1,2,3}d

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[mruberry]

@ngimel @jbschlosser are you two the correct reviewers for this?

[mruberry]

Updating reviewers since it looks like this PR was lost in the shuffle

[jbschlosser]

I'm good to review this, but do you mind rebasing please? @peterbell10 Might be a bit tricky due to the large convolution changes I landed recently.

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