Making MIN_SLEEP_DURATION a platform variable and Add busy wait #2634

Job	Run time
check-labels / check	4s
build-rti / run (ubuntu-latest)	20s
fetch-lf / extract-ref	7s
build-trace-tools / run (ubuntu-latest)	6s
build-rti / run (macos-latest)	15s
build-rti / run (windows-latest)	17s
unit-tests-multi / run (ubuntu-latest)	10s
build-trace-tools / run (macos-latest)	10s
unit-tests-single / run (ubuntu-latest)	9s
unit-tests-multi / run (macos-latest)	32s
build-trace-tools / run (windows-latest)	32s
unit-tests-single / run (macos-latest)	14s
unit-tests-multi / run (windows-latest)	40s
unit-tests-single / run (windows-latest)	1m 44s
lf-default-arduino	0s
lf-default-zephyr	0s
lf-gedf-np	0s
lf-python	0s
lf-adaptive	0s
lf-default / regular-tests (ubuntu-latest)	1h 52m 30s
	1h 57m 50s

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