pkg/manager: export programs with coverage #15769

Job	Run time
dashboard	2m 42s
aux	2m 54s
gvisor	2m 54s
arch (presubmit_arch_linux)	2m 55s
old	2m 54s
build	2m 40s
arch (presubmit_arch_freebsd)	2m 53s
race	2m 45s
arch (presubmit_arch_netbsd)	2m 54s
race_dashboard	2m 37s
arch (presubmit_arch_openbsd)	2m 53s
arch (presubmit_arch_darwin)	2m 54s
arch (presubmit_arch_windows)	2m 52s
arch (presubmit_arch_executor)	2m 52s
	39m 39s

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