port class 'dynamic_loader' to Windows #15942

Job	Run time
pyflakes	4m 16s
Check if image exists in registry	6s
cancel	2s
licensing	4m 41s
linux (ubuntu-20.04, debug)	19m 6s
linux (ubuntu-20.04, release)	4m 1s
linux (ubuntu-20.04, codecov)	6m 43s
linux-fpga (ubuntu-20.04, debug)	20m 40s
Build image	0s
Build SLES image	0s
cppcheck	2m 2s
format	6m 27s
tidy	2m 30s
sles	1m 49s
	1h 12m 23s

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