[static runtime] implement aten::log (#61393)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/61393
Test Plan:
Added `StaticRuntime.IndividualOps_Log`
```
...
[ RUN ] StaticRuntime.IndividualOps_Log
V0701 12:10:50.829100 3708165 impl.cpp:455] StaticModuleOptions: cleanup_activations 1, enable_out_variant 1, optimize_memory1, optimize_graph_output_memory0
V0701 12:10:50.888468 3708165 impl.cpp:1279] Switch to out variant for node: %3 : Tensor = aten::log(%inp.1)
V0701 12:10:50.889098 3708165 impl.cpp:1279] Switch to out variant for node: %a.1 : Tensor = aten::clone(%3, %2)
```
Reviewed By: hlu1
Differential Revision: D29511622
fbshipit-source-id: 819fd7d90c084609a060efeadb3015e35acac517