[paramcomms] support for in and out split sizes
Summary: Adding way to accept in and out split sizes.
Test Plan:
{F613245151}
https://www.internalfb.com/intern/perfdoctor/trace_view?filepath=tree%2Ftraces%2Fdynocli%2F0%2F1620153506%2F127.0.0.1%2Flibkineto_activities_1112677.json.gz&bucket=gpu_traces
NOTE: ignore the GPU user showing up in CPU - the issue is fixed in the diff above the stack D28196723
UPDATED: now the sizes are encoded as arrays in .json
https://www.internalfb.com/intern/perfdoctor/trace_view?filepath=tree%2Ftraces%2Fdynocli%2F0%2F1620259313%2F127.0.0.1%2Flibkineto_activities_3944235.json.gz&bucket=gpu_traces
Reviewed By: kingchc
Differential Revision: D28052211
fbshipit-source-id: 4ab7d425fc722907d9bbcfad7e364d031ff69b29
