Update RL Benchmarks

[Jinyu-W]

Description

• refine random seed setting logic in RL workflow
• update warmup logic & post collect/evaluate for DDPG in RL tests
• update the plot function for RL benchmark tests
• update RL benchmark performance results

Type of Change

• Non-breaking bug fix
• Breaking bug fix
• New feature
• Test
• Doc update
• Docker update

Related Component

• Simulation toolkit
• RL toolkit
• Distributed toolkit

Has Been Tested

• OS:
  • Windows
  • Mac OS
  • Linux
• Python version:
  • 3.7
  • 3.8
  • 3.9
• Key information snapshot(s):

Needs Follow Up Actions

• New release package
• New docker image

Checklist

• Add/update the related comments
• Add/update the related tests
• Add/update the related documentations
• Update the dependent downstream modules usage

[codecov]

Codecov Report

Merging #584 (abbebba) into v0.3 (f42d5b7) will not change coverage.
The diff coverage is n/a.

@@ Coverage Diff @@## v0.3 #584 +/- ##
=======================================
Coverage 79.30% 79.30% =======================================
Files 86 86 Lines 5464 5464 =======================================
Hits 4333 4333 Misses 1131 1131 

Flag	Coverage Δ
unittests	79.30% <ø> (ø)

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