two minor fixes in preparation for AI patch generation #18446

Job	Run time
old	7m 10s
race_dashboard	2m 51s
build	4m 9s
gvisor	3m 49s
race	6m 50s
aux	4m 31s
arch (presubmit_arch_darwin)	3m 41s
dashboard	2m 26s
arch (presubmit_arch_windows)	3m 33s
arch (presubmit_arch_freebsd)	6m 25s
arch (presubmit_arch_netbsd)	3m 51s
arch (presubmit_arch_linux)	10m 52s
arch (presubmit_arch_executor)	3m 3s
arch (presubmit_arch_openbsd)	3m 36s
	1h 6m 47s

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