Safe wrap timeouts in dshot #35139

Job	Run time
build (base)	6m 37s
build-gcc-heli	6m 23s
build (clang)	8m 36s
autotest-heli (sitltest-heli)	11m 45s
autotest (sitltest-copter-tests1a)	11m 24s
autotest (sitltest-copter-tests1b)	14m 2s
autotest (sitltest-copter-tests1c)	12m 25s
autotest (sitltest-copter-tests1d)	12m 8s
autotest (sitltest-copter-tests1e)	14m 8s
autotest (sitltest-copter-tests2a)	13m 52s
autotest (sitltest-copter-tests2b)	24m 55s
	2h 16m 15s

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