[feat] Add dynamic conversion path to aten::mul evaluator

[mfeliz-cruise]

Description

Adds dynamic conversion path to support aten::mul on the output of dynamic aten::size.
Fixes # (issue)

Type of change

Please delete options that are not relevant and/or add your own.

• New feature (non-breaking change which adds functionality)

Checklist:

• My code follows the style guidelines of this project (You can use the linters)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas and hacks
• I have made corresponding changes to the documentation
• I have added tests to verify my fix or my feature
• New and existing unit tests pass locally with my changes
• I have added the relevant labels to my PR in so that relevant reviewers are notified

[peri044]

@mfeliz-cruise I fixed the failing dynamic_size test. Can you rebase with aten_size_fix branch to trigger your tests based off the new fix ?

[peri044]

LGTM