Add pick_value to distro_tools #1646

Job	Run time
deploy	42s
test (3.7, lint)	53s
test (3.7, lint_docs)	2m 40s
test (3.7, mypy)	1m 8s
test (3.7, unit-quick)	20m 23s
test (3.7, unit-diagnostic-servebasic-gx-dev)	6m 42s
test (3.7, unit-nonredundant-noclientbuild-noshed-gx-2105)	29m 28s
test (3.7, unit-nonredundant-noclientbuild-noshed-gx-2109)	29m 31s
test (3.7, unit-nonredundant-noclientbuild-noshed-gx-dev)	42m 8s
test (3.7, unit-nonredundant-noclientbuild-noshed-nogx)	1h 7m 40s
test (3.7, unit-diagnostic-serveclientcmd)	17m 23s
test (3.11, lint)	53s
test (3.11, mypy)	52s
test (3.11, unit-quick)	17m 58s
	3h 58m 21s

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