tools/syz-aflow: enable downloading bugs by ID #19143

Job	Run time
build	3m 7s
race_dashboard	2m 49s
race	8m 27s
old	6m 47s
aux	3m 55s
gvisor	4m 2s
arch (presubmit_arch_linux)	11m 3s
dashboard	2m 38s
arch (presubmit_arch_openbsd)	3m 56s
arch (presubmit_arch_darwin)	3m 48s
arch (presubmit_arch_windows)	3m 18s
arch (presubmit_arch_freebsd)	6m 27s
arch (presubmit_arch_executor)	3m 37s
arch (presubmit_arch_netbsd)	3m 55s
	1h 7m 49s

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