Summary: Aligning ProfilerStep# annotation can be useful for visual purposes but it affects downstream tools like HTA to misreport how long each step took. For this reason, lets give users the option to turn on this alignment manually but also turn it off by default Test Plan: Alignment off: https://www.internalfb.com/intern/perfdoctor/trace_view?filepath=tree/traces/dynocli/devvm2185.cco0.facebook.com/rank-0.Oct_09_16_11_48.2543945.pt.trace.json.gz&bucket=gpu_traces Alignment on: https://www.internalfb.com/intern/perfdoctor/trace_view?filepath=tree/traces/dynocli/devvm2185.cco0.facebook.com/rank-0.Oct_09_16_08_27.2518391.pt.trace.json.gz&bucket=gpu_traces Differential Revision: D64146115 Pull Request resolved: https://github.com/pytorch/pytorch/pull/137668 Approved by: https://github.com/aaronenyeshi
