[Static Runtime] Add an out variant op for aten::abs (#63675)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63675
This change adds an out variant implementation for `aten::abs`.
Test Plan:
- Observed `V0820 14:14:08.880342 101788 impl.cpp:1394] Switch to out variant for node: %3 : Tensor = aten::abs(%a.1)`
- Perf impact: TBD
Reviewed By: hlu1
Differential Revision: D30461317
fbshipit-source-id: 0c0230bd40afe463ae1ccb222c2a1207ebcf4191