Relax requirement for elapsed time during binstat init

[jribbink]

closes #5584

Relaxes the requirement for elapsed time because some systems do not have time resolution precise enough in comparison to the execution time.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 55.50%. Comparing base (d89c1c3) to head (15c89f0).

Files	Patch %	Lines
utils/binstat/binstat.go	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5589      +/-   ##
==========================================
- Coverage   57.34%   55.50%   -1.84%     
==========================================
  Files         930      950      +20     
  Lines       90291    94127    +3836     
==========================================
+ Hits        51775    52248     +473     
- Misses      34461    37861    +3400     
+ Partials     4055     4018      -37     

Flag	Coverage Δ
unittests	55.50% <0.00%> (-1.84%)	⬇️

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